Question

1) a aresta d eum cubo e de 9 cm calcule
a) volume
b) area total

Answer 1

a)
V=a³
V=9*9*9
V=729
Resposta: 729cm³

b)
A=a*a
A=9*9
A=81

At=Ab*6
At=81*6
At=486
Resposta: 486cm²