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19 November, 07:44

Find total surface area of a cube whose volume is 64a³

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  1. 19 November, 08:12
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    96a^2.

    Step-by-step explanation:

    The length of each side of the cube = ∛ (64a^3)

    = 4a.

    Therefore the area of each face of the cube = (4a) ^2 = 16a^2.

    As there are 6 faces the total surface area = 6 * 16a^2.

    = 96a^2.
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