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What is the volume of cube if it's surface area is 512

Posted by Akhand Pratap Singh 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 3 months ago

Let ‘a’ be the side of a cube.

Volume of the cube = 512cm³(Given)

We know volume cube = (side)³

⇒ a^3 = 512

or a = 8

Each side of a cube is 8 cm.

Surface area = 2(lb+bh+hl)

= 2 (16×8+8×8+16×8)

= 640 cm²

Therefore, Surface area of a cube is 640 cm².

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