Razão entre volumes e áreas do tetraedro e do cubo

[b]Inicialmente, vejamos o que é um tetraedro e um cubo.[/b][br][br][size=100]O tetraedro regular é uma pirâmide regular que apresenta as quatro faces congruentes e as seis arestas também congruentes.[br] [img]data:image/jpeg;base64,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[/img][br]O cubo é uma figura que faz parte da geometria espacial. É caracterizado como um poliedro (hexaedro) regular ou ainda, um paralelepípedo retângulo com todas as faces e arestas congruentes e perpendiculares (a = b = c).[br]                                              [img]data:image/png;base64,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[/img][br][br][b]Agora, assistam os vídeos abaixo sobre tetraedro e cubo e em seguida explorem a construção do tetraedro inscrito no cubo no geogebra, bem como a rezão entre seus volumes e suas áreas .[br][/b][/size]
QUESTÃO 1:
O tetraedro regular é composto por quantos triângulos?
QUESTÃO 2:
Que tipo de triângulos utilizamos para formar um tetraedro regular?
QUESTÃO 3:
O hexaedro regular (cubo) é composto por quantos quadriláteros?
QUESTÃO 4:
Que tipo de quadrilátero utilizamos para formar um hexaedro regular (cubo)?
QUESTÃO 5:
Independente da medida da aresta "a", a razão entre os volumes e as áreas do tetraedro e do cubo de mantém a mesma.
Close

Information: Razão entre volumes e áreas do tetraedro e do cubo