Find The Volume of The Cube ? If

The perimeter of one face of a cube is 20 cm. Its volume will be

  1. 400 cm cube
  2. 100 cm cube
  3. 625 cm cube
  4. 125 cm cube
Anurag Mishra Professor Asked on 12th August 2015 in Maths.
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1 Answer(s)

Answer: (4) 125 cm3.

Explanation:-
Given-
The perimeter of one face of a cube = 20 cm

Formula-
The perimeter of one face of cube = 4 x side

Then, the Side of cube x 4 = 20
Side of cube = 20/4
= 5 cm.

Formula-
The volume of the cube = Side3
Then, the volume of the cube = 53
= 5 x 5 x 5
= 125 cm3
Hence, the answer is (4) 125 cm3.

Anurag Mishra Professor Answered on 13th August 2015.
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