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10 August, 10:04

What is the length of each side of a cube if its surface area is 486 in2?

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  1. 10 August, 11:49
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    The surface area of a cube = side * side * 6 =

    area = side^2 * 6

    486 = side^2 * 6

    side^2 = 486 / 6

    side^2 = 81

    side length = 9 inches
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