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28 August, 12:26

What is the surface area of a ball with a diameter of 8 inches?

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  1. 28 August, 12:32
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    SA=4pir^2

    d/2=r

    8/2=4

    r=4

    SA=4pi4^2

    SA=4pi16

    SA=64pi in^2

    if want, aprox pi=3.14

    SA=200.96 in^2
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