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25 December, 10:23

A disco ball is shaped like a sphere with a diameter of 16 inches to the nearest square inch what is the surface area of the disco ball

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  1. 25 December, 10:47
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    The surface area of a sphere:

    A = 4 pi r^2

    where pi = 3.1416

    r is the radius

    since diameter is given

    r = d / 2

    r = 16 / 2

    r = 8

    A = 4 pi (8^2)

    A = 804 sq in is the surface area of the disco ball
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