Question

If the perimeter of one of the faces of a cube is $40cm$, then what is its volume?

Answer 1

The side of the one face of cube $=40cm=4a$

$a=\frac{40cm}{4}=10cm$

$\therefore$ Volume $=1000c{m}^3$

$=a\times a\times a$

$=10\times 10\times 10$

$=1000c{m}^3$