\nEnunciado<\/b><\/span><\/p>\n
$\"\"$ <\/a>A Pir\u00e2mide do Louvre, inaugurada em 1988, \u00e9 regular e tem 21 m de altura.
\nA sua base \u00e9 um quadrado com 34 metros de lado.<\/p>\n
Determina:<\/p>\n
\n
o volume da Pir\u00e2mide do Louvre;<\/li>\n
o comprimento da sua a aresta lateral (aproximado \u00e0s d\u00e9cimas).<\/li>\n<\/ol>\n
Resolu\u00e7\u00e3o >><\/a><\/span><\/div><\/div>\n\n
\nResolu\u00e7\u00e3o<\/b><\/span><\/p>\n
\n
$\"\"$ <\/a>O volume da Pir\u00e2mide do Louvre \u00e9\u00a0\$V = \\frac{1}{3} \\times \\left( {34 \\times 34} \\right) \\times 21 = 8092\$\u00a0 m^{3<\/sup>.
\n\u00ad<\/li>\n}
O comprimento da aresta lateral (aproximado \u00e0s d\u00e9cimas) \u00e9 31,9 metros:
\n\\[\\begin{array}{*{20}{l}}{\\overline {AV} }& = &{\\sqrt {{{\\overline {AV’} }^2} + {{\\overline {VV’} }^2}} }\\\\{}& = &{\\sqrt {{{\\left( {\\frac{{34\\sqrt 2 }}{2}} \\right)}^2} + {{21}^2}} }\\\\{}& = &{\\sqrt {2 \\times {{17}^2} + {{21}^2}} }\\\\{}& = &{\\sqrt {1019} }\\\\{}& \\approx &{31,9}\\end{array}\\]<\/li>\n<\/ol>\n
<< Enunciado<\/a><\/span><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"
Enunciado Resolu\u00e7\u00e3o Enunciado A Pir\u00e2mide do Louvre, inaugurada em 1988, \u00e9 regular e tem 21 m de altura. A sua base \u00e9 um quadrado com 34 metros de lado. Determina: o volume da Pir\u00e2mide...<\/p>\n","protected":false},"author":1,"featured_media":13874,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[213,97,466],"tags":[426,471,109],"series":[],"class_list":["post-13873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-9--ano","category-aplicando","category-distancias-areas-e-volumes-de-solidos","tag-9-o-ano","tag-piramide","tag-volume"],"views":3998,"jetpack_featured_media_url":"https:\/\/www.acasinhadamatematica.pt\/wp-content\/uploads\/2018\/03\/9V2Pag031-7.png","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/13873","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=13873"}],"version-history":[{"count":0,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/posts\/13873\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=\/wp\/v2\/media\/13874"}],"wp:attachment":[{"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13873"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/www.acasinhadamatematica.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=13873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}