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Mathematics, 14.09.2021 19:50 bri0521

1. Calcule a área total de um cone circular equilátero de raio da base igual a 5 cm. 2. Determine o volume de uma esfera de diâmetro 40 cm.
3. Encontre a medida da altura de um tronco de cone, sabendo que o raio da base maior é 12 cm, o raio da base menor é 6 cm e a geratriz, mede 8 cm.
4. Calcule o volume de um cone circular reto com diâmetro 20 cm e geratriz medindo 12 cm.
5. Determine a área total de um prisma reto-retangular, com as dimensões 12 cm x 8 cm x 10 cm.
6. Determine o número de vértices de um octaedro regular, cujas faces são triangulares.
7. Determine a capacidade de um prisma triangular regular, de aresta da base igual a 6 cm e altura, 3 cm.
8. Calcule a medida da superfície de uma esfera com 21/2 cm de raio.
9. Calcule o volume de um tronco de cone que apresenta, raios 5 cm e 8 cm e, altura igual a 6 cm.
10. Quais são os cinco poliedros de Platão?

POR FAVOR ME AJUDEM NESSAS QUESTÕES, SE NÃO TIRAR MAIS DE 50 NESSA EU REPROVO, ME AJUDEM

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1. Calcule a área total de um cone circular equilátero de raio da base igual a 5 cm. 2. Determine...
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