Question

If the perimeter of one of the faces of a cube 40 then what is its volume

Answer 1

We know that the face of a cube is a square of side of same length.

Perimeter of face( square) = 40
4a = 40
a = 10 unit
The side of cube is 10 unit.

Volume = a^2
= 10 × 10
= 100 unit^2