Question

The perimeter of one face of a cube is 20cm .it's volume will be_____

Answer 1

Edge of cube=20/4=5
Volume=a*a*a=5*5*5=125cm cube

Answer 2

Hey friend

Perimeter of one face of a cube =20
One face of a cube is square

Therefore,
4a=20 (where a is side of cube)
a=5

Volume of cube=a^3

=5^3
=125 cm^3

Therefore,Its volume is 125 cm^3

Hope it helps