{"id":204334,"date":"2023-10-28T06:20:00","date_gmt":"2023-10-28T09:20:00","guid":{"rendered":"http:\/\/clubes.obmep.org.br\/blog\/?page_id=204334"},"modified":"2023-10-28T06:20:00","modified_gmt":"2023-10-28T09:20:00","slug":"a-problema-de-gincana-dois-retangulos","status":"publish","type":"page","link":"https:\/\/clubes.obmep.org.br\/blog\/a-problema-de-gincana-dois-retangulos\/","title":{"rendered":"(A) Problema de Gincana: Dois ret\u00e2ngulos"},"content":{"rendered":"<p class=\"ti3\"  style=\"text-align:center;\">Clique no bot\u00e3o abaixo para visualizar o problema.<\/p>\n<div style=\"text-align:center;margin-top:10px;\">\n<input class=\"bo1 c1 cb13\" style=\"width:150px;\" value=\"Problema\" title=\"Clique aqui\" type=\"button\" 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 = 'Problema';}\" \/>  <\/p>\n<div style=\"display: none;\">\n<div class=\"g1n\">\n<p class=\"tit\" style=\"line-height:30px;margin:10px\">Problema<\/p>\n<hr style=\"height:1px; width:100%;background-color:#800000; margin-top: 10px; margin-bottom: 20px;border: 0 none\"\/>\nNa figura abaixo vemos dois ret\u00e2ngulos, o ret\u00e2ngulo [tex]P[\/tex] e o ret\u00e2ngulo  [tex]Q.[\/tex]<br \/>\nSabe-se que  a regi\u00e3o sombreada que aparece na figura corresponde a [tex]\\dfrac{2}{5}[\/tex] do ret\u00e2ngulo [tex]P[\/tex] e a [tex]\\dfrac{1}{6}[\/tex] do ret\u00e2ngulo [tex]Q.[\/tex]<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/10\/gincana10.png\"  style=\"border:none;\"  alt=\"\" width=\"358\" height=\"281\" class=\"aligncenter size-full wp-image-203343\" srcset=\"https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/10\/gincana10.png 358w, https:\/\/clubes.obmep.org.br\/blog\/wp-content\/uploads\/2023\/10\/gincana10-300x235.png 300w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><br \/>\nSe a \u00e1rea da parte sombreada \u00e9 de [tex]182\\text{  cm}^2[\/tex],<strong> encontre a \u00e1rea de toda a figura, em [tex]\\text{cm}^2.[\/tex]<\/strong>\n<\/div>\n<p style=\"margin:30px\">\n<div class=\"g1n\">\n<p class=\"tit\" style=\"line-height:30px;margin:10px\">Solu\u00e7\u00e3o<\/p>\n<hr style=\"height:1px; width:100%;background-color:#800000; margin-top: 10px; margin-bottom: 20px;border: 0 none\"\/>\nVamos denotar por [tex]A_P~[\/tex] e [tex]~A_Q[\/tex] as \u00e1reas dos ret\u00e2ngulos [tex]P[\/tex] e [tex]Q[\/tex], respectivamente.<br \/>\nAssim, pelos dados do problema, temos que:<br \/>\n[tex]\\qquad \\textcolor{#800000}{(i)}\\, \\dfrac{2}{5} A_P=182[\/tex], donde  [tex] \\boxed{A_P=455\\text{  cm}^2}.[\/tex]<\/p>\n<p style=\"margin:10px\">\n<p>[tex]\\qquad \\textcolor{#800000}{(ii)}\\, \\dfrac{1}{6} Q_P=182[\/tex], donde  [tex] \\boxed{A_Q=1092\\text{  cm}^2}.[\/tex]<\/p>\n<p style=\"margin:10px\">\n<p>Agora, perceba que, ao somarmos as \u00e1reas [tex]A_P~[\/tex] e [tex]~A_Q[\/tex], estaremos somando duas vezes a \u00e1rea sombreada. Portanto, a \u00e1rea de toda a figura \u00e9 dada por:<br \/>\n[tex]\\qquad A_{total}=A_P+A_Q-182=455+1092-182.[\/tex]<br \/>\nAssim, a \u00e1rea de toda a figura \u00e9  [tex] \\fcolorbox{black}{#FFE3AA}{$1365\\text{ cm}^2$}\\,.[\/tex]<\/p>\n<hr style=\"height:1px; width:100%;background-color:#800000; margin-top: 10px; margin-bottom: 15px;border: 0 none\"\/>\n<p class=\"g2\" style=\"line-height:20px;\">Solu\u00e7\u00e3o elaborada pelos <strong>Moderadores do Blog<\/strong>.<\/p>\n<\/div>\n<p style=\"margin:30px\">\n<div class=\"gg\">\nPrimeira Gincana de 2023 &#8211; Clubes de Matem\u00e1tica da OBMEP<br \/>\nN\u00edvel A &#8211; Quest\u00e3o Dif\u00edcil<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Clique no bot\u00e3o abaixo para visualizar o problema. Problema Na figura abaixo vemos dois ret\u00e2ngulos, o ret\u00e2ngulo [tex]P[\/tex] e o ret\u00e2ngulo [tex]Q.[\/tex] Sabe-se que a regi\u00e3o sombreada que aparece na figura corresponde a [tex]\\dfrac{2}{5}[\/tex] do ret\u00e2ngulo [tex]P[\/tex] e a [tex]\\dfrac{1}{6}[\/tex] do ret\u00e2ngulo [tex]Q.[\/tex] Se a \u00e1rea da parte sombreada \u00e9 de [tex]182\\text{ cm}^2[\/tex], encontre a &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/clubes.obmep.org.br\/blog\/a-problema-de-gincana-dois-retangulos\/\">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-204334","page","type-page","status-publish","hentry","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/204334","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=204334"}],"version-history":[{"count":1,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/204334\/revisions"}],"predecessor-version":[{"id":204335,"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/pages\/204334\/revisions\/204335"}],"wp:attachment":[{"href":"https:\/\/clubes.obmep.org.br\/blog\/wp-json\/wp\/v2\/media?parent=204334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}