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7. Cubes and Cube Roots
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Q13 of 45 Page 7

Find the volume of a cube whose surface area is 384m2.

Surface area of cube = 384 m2 (Given)


Let length of each edge of cube = a metre





Volume of cube = a3 = (8)3 = 512m3 

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Prove that if a number is trebled then its cube is 27 time the cube of the given number.

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Questions · 45
7. Cubes and Cube Roots
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