If the length of each edge of a cube is doubled, how many times does its volume become? How many times does its surface area becomes?
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V'=(2a)3
V'=8a3
V'=8(a3)
V'=8 v
There fore it wil increse by 8 times
Surface area = 6(2a)
=2*6a
=2* surface area
There fore the surface area of the cube will increase by 2 times
V'=8a3
V'=8(a3)
V'=8 v
There fore it wil increse by 8 times
Surface area = 6(2a)
=2*6a
=2* surface area
There fore the surface area of the cube will increase by 2 times
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