{"id":110390,"date":"2018-08-22T22:41:47","date_gmt":"2018-08-23T01:41:47","guid":{"rendered":"http:\/\/clubes.obmep.org.br\/blog\/?page_id=110390"},"modified":"2023-01-26T06:17:25","modified_gmt":"2023-01-26T09:17:25","slug":"sala-de-ajuda-angulos-internos-e-angulos-externos-de-um-triangulo","status":"publish","type":"page","link":"https:\/\/clubes.obmep.org.br\/blog\/sala-de-ajuda-angulos-internos-e-angulos-externos-de-um-triangulo\/","title":{"rendered":".Sala de ajuda: \u00c2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo"},"content":{"rendered":"<p style=\"margin:30px;\">\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 622px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:500px;background-color: #7CCD7C;\" >Interno \u00e9 o que est\u00e1 dentro&#8230; Externo \u00e9 o que est\u00e1 fora&#8230;<br \/>\nIsso n\u00e3o ajuda muito no entendimento dos resultados envolvendo \u00e2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo, n\u00e3o \u00e9?<\/p>\n<\/td>\n<td class=\"bf\"><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/carinha3.jpg\" style=\"border: 0px;\" alt=\"carinha3\" width=\"80\" class=\"alignleft size-full wp-image-3059\" \/><\/td>\n<\/tr>\n<\/table>\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 585px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:450px;background-color: #7CCD7C;\" >N\u00e3o ajuda, mesmo&#8230;<br \/>\nPor isso vamos tentar, aqui, precisar o que s\u00e3o \u00e2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:20px;\">\n<div style=\"border: 8px double #548B54;padding: 10px;\">\n<p class=\"ti1\" style=\"color: #548B54;line-height:30px;margin:10px\">\u00c2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo <\/p>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<hr style=\"height:1px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<p style=\"margin:20px;\">\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 584px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:450px;background-color: #7CCD7C;\" >Antes de mais nada, vamos especificar o que entenderemos por tri\u00e2ngulo, nessa nossa pequena discuss\u00e3o geom\u00e9trica.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:30px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f273.png\"  style=\"border: 0px;\" alt=\"\" width=\"729\" height=\"341\" class=\"aligncenter size-full wp-image-183415\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f273.png 729w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f273-300x140.png 300w\" sizes=\"auto, (max-width: 729px) 100vw, 729px\" \/><\/p>\n<p style=\"margin:30px;\">\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<p style=\"margin:30px;\">\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 582px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:450px;background-color: #7CCD7C;\" >Para um melhor proveito da discuss\u00e3o sobre \u00e2ngulos internos, leia com cuidado as pr\u00f3ximas informa\u00e7\u00f5es.<br \/>\nAh! Voc\u00ea se lembra do que \u00e9 um \u00e2ngulo? (*)<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<div style=\"text-align:center\">\n<div >\n<input  value=\"(*) Ver a defini\u00e7\u00e3o\" style=\"margin-left: 50px; padding: 0px; width: 150px; height: 30px; font-size: 14px; font-family: Calibri, sans-serif;\" onclick=    \"if(this.parentNode.getElementsByTagName('div')[0].style.display != ''){this.parentNode.getElementsByTagName('div')[0].style.display = '';this.value = 'Ocultar';} else{this.parentNode.getElementsByTagName('div')[0].style.display = 'none'; this.value = '(*) Ver a defini\u00e7\u00e3o';}\"    type=\"button\" \/>    <\/p>\n<div  style=\"display: none;\">    <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/07\/L1.png\" style=\"border: 0px;\" alt=\"L1\" width=\"593\" height=\"328\" class=\"aligncenter size-full wp-image-16896\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/07\/L1.png 593w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/07\/L1-300x165.png 300w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/div>\n<\/div>\n<\/div>\n<p style=\"margin:30px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL2.png\" style=\"border: 0px;\"  alt=\"LL2\" width=\"721\" height=\"339\" class=\"aligncenter size-full wp-image-15868\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL2.png 721w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL2-300x141.png 300w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/p>\n<p style=\"margin:30px;\">\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<p style=\"margin:30px;\">\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 313px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:140px;background-color: #7CCD7C;\" >E os externos?<\/p>\n<\/td>\n<td class=\"bf\"><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/Probleminha2.png\" style=\"border: 0px;\"  alt=\"Probleminha2\" width=\"150\" class=\"alignright size-full wp-image-2992\" \/><\/td>\n<\/tr>\n<\/table>\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 224px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:100px;background-color: #7CCD7C;\" >A\u00ed vai&#8230;<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:30px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f272_2.png\" style=\"border: 0px;\" alt=\"\" width=\"721\" height=\"365\" class=\"aligncenter size-full wp-image-183410\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f272_2.png 721w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/01\/f272_2-300x152.png 300w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/p>\n<p style=\"margin:30px;\">\n<hr style=\"height:2px;background-color:#548B54;margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<p style=\"margin:30px;\">\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 535px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:420px;background-color: #7CCD7C;\" >Eu sei responder a pergunta!<br \/>\n&lambda;+&theta;=180&deg;, pois B, C e D s\u00e3o pontos colineares, j\u00e1 que os \u00e2ngulos [tex]B\\hat{C}A[\/tex] e  [tex]A\\hat{C}D[\/tex] s\u00e3o adjacentes e suplementares.<\/p>\n<\/td>\n<td class=\"bf\"><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/carinha6.jpg\" style=\"border: 0px;\" alt=\"carinha6\" width=\"80\" class=\"alignleft size-full wp-image-3062\" \/><\/td>\n<\/tr>\n<\/table>\n<table style=\" height:auto; text-align:justify; margin-left: auto; margin-right: auto; width: 477px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:350px;background-color: #7CCD7C;\" >Isso mesmo!<br \/>\nE quantos \u00e2ngulos externos tem um tri\u00e2ngulo?<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 514px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:400px;background-color: #7CCD7C;\" >Essa pergunta \u00e9 muito f\u00e1cil.<br \/>\nComo um tri\u00e2ngulo tem tr\u00eas \u00e2ngulos internos, \u00e9 claro que ele tem tr\u00eas \u00e2ngulos externos&#8230;<\/p>\n<\/td>\n<td class=\"bf\"><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/carinha3.jpg\" style=\"border: 0px;\"  alt=\"carinha3\" width=\"80\" class=\"alignleft size-full wp-image-3059\" \/><\/td>\n<\/tr>\n<\/table>\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 552px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:430px;background-color: #7CCD7C;\" >\u00capa ! ! ! !<br \/>\nAgora voc\u00ea se precipitou e n\u00e3o respondeu corretamente&#8230;<br \/>\nObserve a exposi\u00e7\u00e3o que ser\u00e1 feita, a seguir.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:30px;\">\n<p><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/Desafio2.png\" style=\"border: 0px;\" alt=\"Desafio2\" width=\"180\" class=\"aligncenter size-full wp-image-2993\" \/><\/p>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px; border: 0 none\"\/>\n<hr style=\"height:1px;background-color:#548B54; margin-top: 8px; margin-bottom: 30px; border: 0 none\"\/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2018\/08\/L_02.png\" style=\"border: 0px;\" alt=\"\" width=\"700\" height=\"330\" class=\"aligncenter size-full wp-image-110467\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2018\/08\/L_02.png 700w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2018\/08\/L_02-300x141.png 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p style=\"margin:30px;\">\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 396px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:230px;background-color: #7CCD7C;\" >\u00c9&#8230;<br \/>\nParece que s\u00e3o seis mesmo&#8230;<\/p>\n<\/td>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/Probleminha2.png\" style=\"border: 0px;\" alt=\"Probleminha2\" width=\"150\" height=\"110\" class=\"alignright size-full wp-image-2992\" \/><\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:10px;\">\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<hr style=\"height:1px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<p style=\"margin:30px;\">\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 644px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:510px;background-color: #7CCD7C;\" >Mas observe que os dois \u00e2ngulos externos adjacentes a um mesmo \u00e2ngulo interno t\u00eam a mesma medida (por serem <strong>O<\/strong>postos <strong>P<\/strong>elo <strong>V<\/strong>\u00e9rtice).<br \/>\nAssim em um tri\u00e2ngulo \u00e9 usual trabalhar apenas com tr\u00eas \u00e2ngulos externos: um em cada v\u00e9rtice.<br \/>\nE como em cada v\u00e9rtice do tri\u00e2ngulo os dois \u00e2ngulos externos t\u00eam a mesma medida, \u00e9 irrelevante qual dos dois voc\u00ea ir\u00e1 escolher.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:30px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL9.png\" style=\"border: 0px;\" alt=\"LL9\" width=\"720\" height=\"337\" class=\"aligncenter size-full wp-image-16429\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL9.png 720w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL9-300x140.png 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<p style=\"margin:30px;\">\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 589px;\">\n<tr>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:450px;background-color: #7CCD7C;\" >Entendi!<br \/>\nS\u00e3o seis, mas eu posso trabalhar com apenas tr\u00eas, um por v\u00e9rtice, escolhidos de acordo com minha conveni\u00eancia.<\/p>\n<\/td>\n<td class=\"bf\"><img decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/02\/carinha5.jpg\"  style=\"border: 0px;\" alt=\"carinha5\" width=\"100\" class=\"alignleft size-full wp-image-3061\" \/><\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:10px;\">\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 8px; margin-bottom: 8px;border: 0 none\"\/>\n<p style=\"margin:30px;\">\n<table style=\" height:auto;text-align:justify;margin-left: auto; margin-right: auto; width: 423px;\">\n<tr>\n<td class=\"bf\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1001 alignright\" style=\"border: 0px;\" alt=\"\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2013\/01\/menino.jpg\" width=\"95\" height=\"115\" \/><\/td>\n<td class=\"bf\">\n<p class=\"falam\" style=\"width:300px;background-color: #7CCD7C;\" >Aqui v\u00e3o mais algumas nomenclaturas.<br \/>\nS\u00e3o apenas nomes que utilizamos em nossas discuss\u00f5es.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin:10px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL8.png\" style=\"border: 0px;\" alt=\"LL8\" width=\"721\" height=\"340\" class=\"aligncenter size-full wp-image-16441\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL8.png 721w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2014\/03\/LL8-300x141.png 300w\" sizes=\"auto, (max-width: 721px) 100vw, 721px\" \/><\/p>\n<p style=\"margin:30px;\">\n<hr style=\"height:2px;background-color:#548B54; margin-top: 6px; margin-bottom: 6px; border: 0 none\"\/>\n<hr style=\"height:2px;background-color:#548B54; margin-top: 6px; margin-bottom: 6px; border: 0 none\"\/>\n<p style=\"text-align: right;\"><span style=\"color: #548B54;\"><strong>Sonia Regina Di Giacomo<\/strong><br \/>\nEquipe COM &#8211; OBMEP<\/span><\/p>\n<\/div>\n<p style=\"margin:10px;\">\n","protected":false},"excerpt":{"rendered":"<p>Interno \u00e9 o que est\u00e1 dentro&#8230; Externo \u00e9 o que est\u00e1 fora&#8230; Isso n\u00e3o ajuda muito no entendimento dos resultados envolvendo \u00e2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo, n\u00e3o \u00e9? N\u00e3o ajuda, mesmo&#8230; Por isso vamos tentar, aqui, precisar o que s\u00e3o \u00e2ngulos internos e \u00e2ngulos externos de um tri\u00e2ngulo. \u00c2ngulos internos e \u00e2ngulos &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/clubes.obmep.org.br\/blog\/sala-de-ajuda-angulos-internos-e-angulos-externos-de-um-triangulo\/\">Continue lendo<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-onecolumn.php","meta":{"footnotes":""},"class_list":["post-110390","page","type-page","status-publish","hentry","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/110390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/comments?post=110390"}],"version-history":[{"count":7,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/110390\/revisions"}],"predecessor-version":[{"id":110479,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/110390\/revisions\/110479"}],"wp:attachment":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/media?parent=110390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}