Question

each face of a cube has a perimeter 32 cm. find its volume

Answer 1

$4x = 32 \\ x = 8cm$
volume of the cube
$= {x}^{3} \\ = {8}^{3} \\ = 64 \times 8 \\ = 512 {cm}^{3}$

Answer 2

​4x=32​x=8cm​​ 
volume of the cube 
\begin{lgathered}= {x}^{3} \\ = {8}^{3} \\ = 64 \times 8 \\ = 512 {cm}^{3}\end{lgathered}​=x​3​​​=8​3​​​=64×8​=512cm​3​​​​