Question

The perimeter of a face of a cube is 16 mm. What is its volume

Answer 1

Since the perimeter is 16 mm, the length of the side of the cube is 16/4 = 4 mm. Then the volume is the length of the side cubed, so we get:
4^3 = 64 mm^3

Answer 2

let side of the square =a
For a square
perimeter=4a
area=a^2
volume=a^3