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Respected Sir/Madam,
When we double each side of cube then why does its volume becomes 8 times. Please explain..

Asked by Varsneya Srinivas 2nd March 2015, 10:41 AM
Answered by Expert

Let the original length of the side of a cube be x cm.

Volume of the cube = x3 cm3

If each side is double, the new length becomes 2x.

Volume of the cube with new length = (2x)3= 8x3 = 8(x3) = 8(Volume of original cube)

Hence when we double the side, the Volume becomes 8 times.

Answered by Expert 2nd March 2015, 11:23 AM
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