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If Each Edge of a Cube is Doubled, How Many Times Will Its Volume Increase? - Mathematics

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If each edge of a cube is doubled, how many times will its volume increase?

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Solution

Initial volume of the cube = l3

When each edge of the cube is doubled, it becomes 2l.

New volume = (2l)3 = 8l= 8 × l3

Clearly, the volume of the cube will be increased by 8 times.

Concept: Surface Area of a Cube
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APPEARS IN

NCERT Class 8 Maths
Chapter 11 Mensuration
Exercise 11.4 | Q 7.2 | Page 191

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