{"id":11312,"date":"2012-11-12T18:18:43","date_gmt":"2012-11-12T18:18:43","guid":{"rendered":"https:\/\/www.acasinhadamatematica.pt\/?p=11312"},"modified":"2022-01-20T02:02:29","modified_gmt":"2022-01-20T02:02:29","slug":"o-quarto-da-joana","status":"publish","type":"post","link":"https:\/\/www.acasinhadamatematica.pt\/?p=11312","title":{"rendered":"O quarto da Joana"},"content":{"rendered":"<p><ul id='GTTabs_ul_11312' class='GTTabs' style='display:none'>\n<li id='GTTabs_li_0_11312' class='GTTabs_curr'><a  id=\"11312_0\" onMouseOver=\"GTTabsShowLinks('Enunciado'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Enunciado<\/a><\/li>\n<li id='GTTabs_li_1_11312' ><a  id=\"11312_1\" onMouseOver=\"GTTabsShowLinks('Resolu\u00e7\u00e3o'); return true;\"  onMouseOut=\"GTTabsShowLinks();\"  class='GTTabsLinks'>Resolu\u00e7\u00e3o<\/a><\/li>\n<\/ul>\n\n<div class='GTTabs_divs GTTabs_curr_div' id='GTTabs_0_11312'>\n<span class='GTTabs_titles'><b>Enunciado<\/b><\/span><\/p>\n<p>O ch\u00e3o do quarto da Joana \u00e9 quadrado e tem $36$ m<sup>2<\/sup> de \u00e1rea.<\/p>\n<p>Se a Joana quiser enfeitar a parede do quarto, a toda a volta, com uma faixa, quantos metros deve comprar sabendo que a porta tem $60$ cm de largura. Explica a tua resposta.<\/p>\n<p><div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_next'><a href='#GTTabs_ul_11312' onClick='GTTabs_show(1,11312)'>Resolu\u00e7\u00e3o &gt;&gt;<\/a><\/span><\/div><\/div>\n\n<div class='GTTabs_divs' id='GTTabs_1_11312'>\n<span class='GTTabs_titles'><b>Resolu\u00e7\u00e3o<\/b><\/span><!--more--><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11314\" data-permalink=\"https:\/\/www.acasinhadamatematica.pt\/?attachment_id=11314\" data-orig-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2.png\" data-orig-size=\"839,219\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Quarto da Joana\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2.png\" class=\"aligncenter wp-image-11314\" title=\"Quarto da Joana\" src=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2.png\" alt=\"\" width=\"760\" height=\"198\" srcset=\"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2.png 839w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2-300x78.png 300w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2-150x39.png 150w, https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7ano-pag38-quatodajoana-2-400x104.png 400w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/a><\/p>\n<p>Como o ch\u00e3o do quarto da Joana \u00e9 quadrado e a sua \u00e1rea \u00e9 $36$ m<sup>2<\/sup>, ent\u00e3o o comprimento do lado desse quadrado \u00e9 $\\overline {AB}\u00a0 = \\sqrt {36}\u00a0 = 6$ m.<\/p>\n<p>Na figura, est\u00e1 esbo\u00e7ada a planifica\u00e7\u00e3o das paredes do quarto da Joana.<\/p>\n<p>De acordo com os dados da figura, o comprimento da fita \u00e9 $C = 4 \\times 6 &#8211; 0,6 = 24 &#8211; 0,6 = 23,4$ m.<\/p>\n<p>Portanto, a Joana deve comprar $23,4$ metros de fita.<\/p><\/p>\n<div class='GTTabsNavigation' style='display:none'><span class='GTTabs_nav_prev'><a href='#GTTabs_ul_11312' onClick='GTTabs_show(0,11312)'>&lt;&lt; Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Enunciado Resolu\u00e7\u00e3o Enunciado O ch\u00e3o do quarto da Joana \u00e9 quadrado e tem $36$ m2 de \u00e1rea. Se a Joana quiser enfeitar a parede do quarto, a toda a volta, com uma faixa, quantos&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":20731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[317,97,318],"tags":[108,335,339],"series":[],"class_list":["post-11312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7-o-ano","category-aplicando","category-numeros-inteiros","tag-area","tag-perimetro","tag-raiz-quadrada"],"views":2336,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2012\/11\/7V1Pag038-1_520x245.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/11312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11312"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/11312\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/20731"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11312"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=11312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}