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What is the volume of cube …

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

    • Posted by Akhand Pratap Singh 4 years ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Yogita Ingle 4 years 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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