Question

O sfera are volumul 36π cm.Aria sferei este egala cu......π cm?

Answer 1

$V=\frac{4\pi r^3}{3} \\ 108\pi=4\pi r^3 \\ 108=4r^3 \\ r^3=27 \\ r=3 \\ A=4\pi r^2=4\pi\cdot9=36\pi cm^2$