{"id":270,"date":"2023-07-10T01:20:15","date_gmt":"2023-07-10T01:20:15","guid":{"rendered":"https:\/\/mathority.org\/pt\/angulo-entre-uma-reta-e-um-plano-exemplos-de-formulas-e-exercicios-resolvidos\/"},"modified":"2023-07-10T01:20:15","modified_gmt":"2023-07-10T01:20:15","slug":"angulo-entre-uma-reta-e-um-plano-exemplos-de-formulas-e-exercicios-resolvidos","status":"publish","type":"post","link":"https:\/\/mathority.org\/pt\/angulo-entre-uma-reta-e-um-plano-exemplos-de-formulas-e-exercicios-resolvidos\/","title":{"rendered":"\u00c2ngulo entre uma reta e um plano"},"content":{"rendered":"<p>Aqui voc\u00ea descobrir\u00e1 como o \u00e2ngulo entre uma linha e um plano \u00e9 calculado. Voc\u00ea tamb\u00e9m poder\u00e1 ver exemplos e, al\u00e9m disso, praticar com exerc\u00edcios resolvidos passo a passo de \u00e2ngulos entre retas e planos. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfcual-es-el-angulo-entre-una-recta-y-un-plano\"><\/span> Qual \u00e9 o \u00e2ngulo entre uma linha e um plano?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> O \u00e2ngulo entre uma linha e um plano \u00e9 o \u00e2ngulo entre a linha e sua proje\u00e7\u00e3o ortogonal no plano. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-entre-une-ligne-et-un-plan.webp\" alt=\"Qual \u00e9 o \u00e2ngulo entre uma linha e um plano?\" class=\"wp-image-3943\" width=\"500\" height=\"283\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> O \u00e2ngulo entre uma reta e um plano \u00e9 o complemento do \u00e2ngulo entre essa reta e o vetor normal ao plano. Portanto, o \u00e2ngulo entre uma reta e um plano \u00e9 calculado a partir do \u00e2ngulo entre o vetor dire\u00e7\u00e3o da reta e o vetor normal do plano. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"formula-del-angulo-entre-una-recta-y-un-plano\"><\/span> F\u00f3rmula do \u00e2ngulo entre uma reta e um plano<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Para deduzir a f\u00f3rmula do \u00e2ngulo entre um plano e uma reta, voc\u00ea precisa saber como <a href=\"https:\/\/mathority.org\/pt\/como-calcular-o-angulo-entre-dois-vetores-exemplos-de-exercicios-resolvidos\/\">encontrar o \u00e2ngulo entre dois vetores<\/a> . Na p\u00e1gina do link voc\u00ea encontrar\u00e1 a explica\u00e7\u00e3o, bem como exemplos e exerc\u00edcios resolvidos passo a passo, ent\u00e3o se n\u00e3o lembra como fazer, recomendamos que d\u00ea uma olhada.<\/p>\n<p> Assim, como o \u00e2ngulo entre uma reta e um plano \u00e9 complementar ao \u00e2ngulo entre o vetor diretor da dita reta<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e01bc8353ce87c4e409251c9a78dae8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(\\vv{\\text{v}}_r)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"29\" style=\"vertical-align: -5px;\"><\/p>\n<p> e o vetor normal ao referido plano<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-45cf5bc44c73892962f2e851f74daacc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(\\vv{n})\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"23\" style=\"vertical-align: -5px;\"><\/p>\n<p> , da f\u00f3rmula do \u00e2ngulo entre dois vetores deduzimos que o \u00e2ngulo entre uma reta e um plano \u00e9 equivalente \u00e0 seguinte express\u00e3o:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-432b11c5cc73074467112392e29b46ef_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)=\\cos(90-\\alpha) =\\cfrac{\\lvert \\vv{\\text{v}}_r \\cdot \\vv{n} \\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"247\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> Portanto, a <strong>f\u00f3rmula para o \u00e2ngulo entre uma linha e um plano \u00e9<\/strong> : <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angle-entre-une-droite-et-un-plan-formule.webp\" alt=\"\u00e2ngulo entre uma linha e um plano de f\u00f3rmula\" class=\"wp-image-3975\" width=\"282\" height=\"132\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p> Ouro:<\/p>\n<ul>\n<li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-50f32076ae1ee85f5b7c5a6d43a03089_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u00e9 o vetor direto da linha.<\/li>\n<li>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-10affe1faee06a5faa4ef6d9c0473b1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{n}\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u00e9 o vetor normal ao plano. <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-como-calcular-el-angulo-entre-una-recta-y-un-plano\"><\/span> Exemplo de c\u00e1lculo do \u00e2ngulo entre uma linha e um plano<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Para que voc\u00ea veja como resolver esse tipo de problema, aqui est\u00e1 um exemplo de c\u00e1lculo do \u00e2ngulo entre uma reta e um plano:<\/p>\n<ul>\n<li> Calcule o \u00e2ngulo formado pela reta\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> com o avi\u00e3o<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26622dd58bf71cd1b543c3d83233c561_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\pi.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p> Sejam suas equa\u00e7\u00f5es:<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-cb8b61cb99a7af826a63ee098efc3a3c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} x= 3-t \\\\[1.7ex] y = 2+4t \\\\[1.7ex] z=-3t \\end{cases}\\qquad\\qquad \\pi : \\ x-y+4z+5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"392\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p> A reta \u00e9 expressa na forma de equa\u00e7\u00f5es param\u00e9tricas, ent\u00e3o seu vetor dire\u00e7\u00e3o \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f5c132cae76c4e7d2eef34b80dda60e7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r = (-1,4,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"124\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Por outro lado, o plano \u00e9 definido na forma de uma equa\u00e7\u00e3o impl\u00edcita (ou geral), portanto seu vetor normal \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6c8001623f05fee4f3266c426e184482_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{n} = (1,-1,4)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"103\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Assim, uma vez conhecido o vetor diretor da reta e o vetor normal do plano, aplicamos a f\u00f3rmula do \u00e2ngulo entre uma reta e um plano:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5cb21d7d0053f3ffb4a8d0b19e824495_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"135\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> Substitu\u00edmos os vetores na f\u00f3rmula:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-60faf9957c871b9c9e62fe4ffc9b6973_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\text{sen}(\\alpha) =\\cfrac{\\lvert(-1,4,-3) \\cdot (1,-1,4)\\rvert}{\\sqrt{(-1)^2+4^2+(-3)^2} \\cdot \\sqrt{1^2+(-1)^2+4^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"48\" width=\"393\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p> E fazemos os c\u00e1lculos: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ecf6e128745b2cea94a0651a086d9708_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)  =\\cfrac{\\lvert -1\\cdot 1 +4 \\cdot (-1) + (-3) \\cdot 4\\rvert}{\\sqrt{26}\\cdot \\sqrt{18}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"289\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d9ddce2ff5d93699f7583e541c33126d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) = \\cfrac{|-17|}{\\sqrt{468}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"125\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-df350eb37802b9a0fd712299478ece35_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) = \\cfrac{17}{\\sqrt{468}}\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"117\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-77b7a2aaf4989013b48a34274af4b246_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)= 0,79\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"108\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> Finalmente, invertemos o seno com a calculadora e encontramos o valor do \u00e2ngulo:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4222f5a3e1dc32c123215c725dffadcf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha = \\text{sen}^{-1} (0,79) = \\bm{51,80\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"194\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p> O \u00e2ngulo entre a linha e o plano \u00e9, portanto, de aproximadamente 51,80\u00ba.<\/p>\n<p> Devemos levar em conta que se alguma vez obtivermos um resultado de 0\u00ba, isso significa que a reta e o plano s\u00e3o paralelos ou que a reta est\u00e1 contida no plano. E se o \u00e2ngulo for igual a 90\u00ba, implica que a reta e o plano s\u00e3o perpendiculares. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejercicios-resueltos-del-angulo-entre-una-recta-y-un-plano\"><\/span>Problemas resolvidos do \u00e2ngulo entre uma linha e um plano<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 1<\/h3>\n<p> Encontre o \u00e2ngulo formado pela linha<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> com o avi\u00e3o<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26622dd58bf71cd1b543c3d83233c561_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\pi.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p> Sejam suas equa\u00e7\u00f5es: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-187a958fc02bef31b18b2c2f95379015_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\cfrac{x-1}{2} = \\cfrac{y+1}{-1} = \\cfrac{z+3}{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"203\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-97968f3ad3bc2327d83f308575a4607d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\pi : \\ 3x+y+2z-1=0\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"184\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A reta \u00e9 expressa como uma equa\u00e7\u00e3o cont\u00ednua, ent\u00e3o seu vetor dire\u00e7\u00e3o \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ce8d892f9706e946ee38bea5601f420c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r = (2,-1,-3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"124\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Por outro lado, o plano est\u00e1 na forma de uma equa\u00e7\u00e3o impl\u00edcita (ou geral), ent\u00e3o seu vetor normal \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d9b2fb6c5a45dd5cff0e5c949ab7ee22_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{n} = (3,1,2)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"90\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Assim, uma vez conhecido o vetor diretor da reta e o vetor normal do plano, usamos a f\u00f3rmula para o \u00e2ngulo entre uma reta e um plano: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5cb21d7d0053f3ffb4a8d0b19e824495_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"135\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-f79b0514974ecd648d402afe09fce215_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\text{sen}(\\alpha) =\\cfrac{\\lvert(2,-1,-3) \\cdot (3,1,2)\\rvert}{\\sqrt{2^2+(-1)^2+(-3)^2} \\cdot \\sqrt{3^2+1^2+2^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"48\" width=\"362\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-43b3452fc0559594f81d5793eb69bd50_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)  =\\cfrac{\\lvert 2\\cdot 3 +(-1) \\cdot 1 + (-3) \\cdot 2\\rvert}{\\sqrt{14}\\cdot \\sqrt{14}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"275\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0fae771d5c74fc70f8c235e7d977b97b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) = \\cfrac{|-1|}{14}\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"116\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4af96594105dfe56eb0b48a782596cf5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) = \\cfrac{1}{14}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"93\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c26a8cbca5ca49005ddf750822a16359_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)= 0,07\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"108\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Finalmente, invertemos o seno e encontramos o valor do \u00e2ngulo:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6280b70e3e9db10239c8ed41338921b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha = \\text{sen}^{-1} (0,07) = \\bm{4,10\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"185\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Portanto, o \u00e2ngulo entre a reta e o plano \u00e9 4,10\u00ba.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 2<\/h3>\n<p> Determine o \u00e2ngulo formado pela linha<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> com o avi\u00e3o<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26622dd58bf71cd1b543c3d83233c561_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\pi.\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"><\/p>\n<p> Sejam suas equa\u00e7\u00f5es: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-6a8165b8e50fbc7764c77d1a984de353_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ \\begin{cases} 3x-y+4z+1=0 \\\\[2ex] x+2y-2z+6=0 \\end{cases}\" title=\"Rendered by QuickLaTeX.com\" height=\"65\" width=\"198\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4ef4dec995f97607a7e037e37eeb0b7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\pi : \\ -4x+2y-5=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"167\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> A reta \u00e9 expressa com suas equa\u00e7\u00f5es impl\u00edcitas (ou gerais), portanto \u00e9 necess\u00e1rio encontrar o vetor diretor da reta calculando o produto vetorial dos vetores normais aos 2 planos que determinam a reta: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-54cc86087728e7e163034c95afc55286_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{vmatrix} \\vv{i}&amp; \\vv{j}&amp; \\vv{k} \\\\[1.1ex] 3&amp; -1 &amp; 4 \\\\[1.1ex] 1 &amp;2&amp;-2 \\end{vmatrix}  = -6\\vv{i}+10\\vv{j}+7\\vv{k}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"236\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d96017e2fa07a08307c10dc57ee61c8f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r = (-6,10,7)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"118\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Por outro lado, o vetor normal ao plano \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-029b4c2fd253e26ab1b4c273507b5527_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{n} = (-4,2,0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"103\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Assim, uma vez conhecido o vetor diretor da reta e o vetor normal do plano, usamos a f\u00f3rmula para o \u00e2ngulo entre uma reta e um plano: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5cb21d7d0053f3ffb4a8d0b19e824495_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"135\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-dc066db1739212edabe5d565f906830b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\text{sen}(\\alpha) =\\cfrac{\\lvert(-6,10,7) \\cdot (-4,2,0)\\rvert}{\\sqrt{(-6)^2+10^2+7^2} \\cdot \\sqrt{(-4)^2+2^2+0^2}}\" title=\"Rendered by QuickLaTeX.com\" height=\"48\" width=\"374\" style=\"vertical-align: -20px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d143bdbebf8285d4543063a31d886c7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)  =\\cfrac{\\lvert -6\\cdot (-4) +10 \\cdot 2 + 7 \\cdot 0\\rvert}{\\sqrt{185}\\cdot \\sqrt{20}}\" title=\"Rendered by QuickLaTeX.com\" height=\"44\" width=\"271\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-35ceee51406f9d5bcc316b74690eb299_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) = \\cfrac{44}{\\sqrt{3700}}\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"126\" style=\"vertical-align: -16px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-84549d70edc1d856e90c75ec50421389_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha)= 0,72\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"107\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Finalmente, invertemos o seno e encontramos o valor do \u00e2ngulo:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e843d4cbca4933f7ba383adcd6566028_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha = \\text{sen}^{-1} (0,72) = \\bm{46,33\u00ba}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"194\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Portanto, o \u00e2ngulo entre a reta e o plano \u00e9 46,33\u00ba.<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\"> Exerc\u00edcio 3<\/h3>\n<p> Encontre, usando a f\u00f3rmula do \u00e2ngulo entre uma reta e um plano, o valor de<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> necess\u00e1rio para o direito<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-c409433a9e2dfcdb83360a974d243f18_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"r\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"><\/p>\n<p> e o avi\u00e3o<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-26d6788550ffd50fe94542bb3e8ee615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\pi\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> ser paralelo. <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5ce940060c57c2eae41e79fb31db1afe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle r: \\ (x,y,z) = (2,0-1)+t(4,-1,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"278\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2f733e6dda28d7a2ab79930a2e311d76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle  \\pi : \\ 4x+3y+kz+7=0\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"194\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E4F0FE\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E4F0FE\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>veja solu\u00e7\u00e3o<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Primeiro, a reta \u00e9 expressa como uma equa\u00e7\u00e3o vetorial, ent\u00e3o seu vetor dire\u00e7\u00e3o \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d80ac01e619cde85001850e17e3f2bf2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{\\text{v}}_r = (4,-1,3)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"110\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Por outro lado, o plano tem a forma de uma equa\u00e7\u00e3o geral, ent\u00e3o seu vetor normal \u00e9:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b4a7ab8f96745e213fbc290625f5b463_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\vv{n} = (4,3,k)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"90\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Assim, para que os dois elementos geom\u00e9tricos sejam paralelos, o \u00e2ngulo entre eles deve ser zero. Portanto, a f\u00f3rmula para o \u00e2ngulo entre uma linha e um plano \u00e9: <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-5cb21d7d0053f3ffb4a8d0b19e824495_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(\\alpha) =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"135\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-efc7281925b7c514913e4aaf9102d342_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{sen}(0\u00ba) =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"133\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-240cba5c3a27806488b1e8172b55b8a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =\\cfrac{\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert}{\\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"94\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-61e18ce576fafff8b4db05f6bca9cedb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 \\cdot \\lvert \\vv{\\text{v}}_r \\rvert \\cdot \\lvert \\vv{n} \\rvert =\\lvert\\vv{\\text{v}}_r \\cdot \\vv{n}\\rvert\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"154\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4639b105473c348e32b6d87593e0ab31_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =\\vv{\\text{v}}_r \\cdot \\vv{n}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"73\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Assim, o produto escalar entre o vetor de dire\u00e7\u00e3o da reta e o vetor normal deve ser zero. E a partir desta equa\u00e7\u00e3o podemos determinar o valor da inc\u00f3gnita <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7cf6d2c84f82625cb8a795ee1394251f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k:\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-7dd4a6abbc2ab11fe54f43b6aeea5ee6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =(4,-1,3) \\cdot (4,3,k)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"171\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ecedbfc73f2ae09aa2f20d886b76217a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =4\\cdot 4 -1\\cdot 3 +3 \\cdot k\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"168\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d6b2fc367d696e22656777d9c8394f7d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 0 =16 -3 +3 k\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"120\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-14bd0daaa168493c0978bdec5f548829_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -3k =13\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"73\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-27a35752a178021d706238eff36fe7d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle k =\\cfrac{13}{-3}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"58\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-0aef8d9f84e0eeb1eceb52873846ca57_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\bm{k =-}\\mathbf{\\cfrac{13}{3}}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"70\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p> Finalmente, se voc\u00ea achou este artigo \u00fatil, provavelmente tamb\u00e9m est\u00e1 interessado em como encontrar o <a href=\"https:\/\/mathority.org\/pt\/angulo-entre-dois-planos-no-espaco-formula-r3\/\">\u00e2ngulo entre dois planos<\/a> . Na p\u00e1gina de links voc\u00ea encontrar\u00e1 uma explica\u00e7\u00e3o bem detalhada bem como a f\u00f3rmula necess\u00e1ria para calcular o \u00e2ngulo entre dois planos diferentes e, al\u00e9m disso, poder\u00e1 ver exemplos e exerc\u00edcios resolvidos passo a passo para poder praticar e entender como isso \u00e9 feito perfeitamente.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aqui voc\u00ea descobrir\u00e1 como o \u00e2ngulo entre uma linha e um plano \u00e9 calculado. Voc\u00ea tamb\u00e9m poder\u00e1 ver exemplos e, al\u00e9m disso, praticar com exerc\u00edcios resolvidos passo a passo de \u00e2ngulos entre retas e planos. Qual \u00e9 o \u00e2ngulo entre uma linha e um plano? O \u00e2ngulo entre uma linha e um plano \u00e9 o &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/pt\/angulo-entre-uma-reta-e-um-plano-exemplos-de-formulas-e-exercicios-resolvidos\/\"> <span class=\"screen-reader-text\">\u00c2ngulo entre uma reta e um plano<\/span> Leia mais &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[20],"tags":[],"class_list":["post-270","post","type-post","status-publish","format-standard","hentry","category-pontos-retas-e-planos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c2ngulo entre uma reta e um plano - Mathority<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/pt\/angulo-entre-uma-reta-e-um-plano-exemplos-de-formulas-e-exercicios-resolvidos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c2ngulo entre uma reta e um plano - Mathority\" \/>\n<meta property=\"og:description\" content=\"Aqui voc\u00ea descobrir\u00e1 como o \u00e2ngulo entre uma linha e um plano \u00e9 calculado. Voc\u00ea tamb\u00e9m poder\u00e1 ver exemplos e, al\u00e9m disso, praticar com exerc\u00edcios resolvidos passo a passo de \u00e2ngulos entre retas e planos. Qual \u00e9 o \u00e2ngulo entre uma linha e um plano? 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