Correct Answer - Option 4 : 125 cm
3
Given:
The perimeter of one face of cube = 20 cm
Formula used:
The volume of the cube = a3
Here, a → side of the cube
The perimeter of the square = 4 × side
Concept used:
One face of the cube is the square
Calculation:
The perimeter of the square = 4 × side
⇒ 20 = 4 × side
⇒ side = 5
Now, The volume of the cube = side3
⇒ 53 = 125
∴ The volume of the cube is 125 cm3