Question

if each side of a cube is doubled then its volume

Answer 1

Let the side be x
then volume = (x)^3 = x^3
When side is 2x
Volume = (2x)^3
= 8x^3
x^3/8x^3
= 1/8
So the volume increase by 8 times

Answer 2

The volume of cube is increased by 8 times.

It's because the original volume is l³ where l is the length.

Since length is doubled the volume is (2l)³ = 8l³.




Thus volume is increased by 8 times if length is doubled.



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- Maheshwaran.