Question

Determine o volume de um cilindro equilatero cuja a area e igual a 24 pi cm

Answer 1

AT = 6 pi r²

24 pi = 6 pi r²

24/6 = r²

r² = 4

r = √4

r = 2 cm 

V = 2 pi r³

V = 2 . 2³

V = 2.8

V = 16 pi cm³