(Enem- 2010, Matemática) Geometria Espacial.
Autor: Questions exat | Publicado: 2012-05-09T16:07:00-07:00

04.&nbsp;Uma fábrica produz barras de chocolate no formato de paralelepípedos e de cubos, com o mesmo volume. As arestas da barra de chocolate no formato de paralelepípedo medem 3 cm de largura, 18 cm de comprimento e 4 cm de espessura.
Analisando as características das figuras geométricas descritas, a medida das arestas dos chocolates que têm o formato de cubo é igual aa) 5 cm.b)&nbsp;6 cm.c) 12 cm.d) 24 cm.e) 25 cm.Formulas: Volume do paralelepípedo altura x largura x comprimento.&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Volume do cubo&nbsp;〖aresta〗^3<!--[if gte msEquation 12]><span
    style='font-family:"Cambria Math","serif";mso-ascii-font-family:"Cambria Math";
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    mso-ansi-language:PT-BR;mso-fareast-language:EN-US;mso-bidi-language:AR-SA'>aresta<i
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    mso-bidi-theme-font:minor-bidi;mso-ansi-language:PT-BR;mso-fareast-language:
    EN-US;mso-bidi-language:AR-SA'>3<![endif]--><!--[if !msEquation]--><!--[endif]-->Resolução.
Volume do paralelepípedo = Volume do cubo.&nbsp;3 x 18 x 4 =&nbsp;〖aresta〗^3<!--[if gte msEquation 12]><span
    style='font-family:"Cambria Math","serif";mso-ascii-font-family:"Cambria Math";
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    normal'><i style='mso-bidi-font-style:
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    mso-ansi-language:PT-BR;mso-fareast-language:EN-US;mso-bidi-language:AR-SA'>aresta<i
    style='mso-bidi-font-style:normal'><span style='font-size:11.0pt;
    line-height:115%;font-family:"Cambria Math","serif";mso-fareast-font-family:
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    mso-bidi-theme-font:minor-bidi;mso-ansi-language:PT-BR;mso-fareast-language:
    EN-US;mso-bidi-language:AR-SA'>3<![endif]--><!--[if !msEquation]--><!--[endif]-->216 =&nbsp;〖aresta〗^3&nbsp;〖aresta〗^3=216
aresta =&nbsp;∛216
aresta= 6
Resposta B.<!--[if gte msEquation 12]><span
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    mso-fareast-language:EN-US;mso-bidi-language:AR-SA'>216<![endif]--><!--[if !msEquation]--><!--[endif]-->
<!--[if gte msEquation 12]><span
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    EN-US;mso-bidi-language:AR-SA'>3<![endif]--><!--[if !msEquation]--><!--[endif]-->