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30 May, 21:58

You plan to cover the entire surface area of a cylindrical dart board with cork. find the surface area of the dart board if the radius is 7 inches and is is 3/4 inches thick.

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  1. 30 May, 22:29
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    So the amount needed=area of circle times height

    area formula=pi times radius^2

    height=3/4

    so

    pi=aprox 3.14

    radius=7

    3.14 times 7^2

    3.14 times 49

    153.86

    times 3/4

    115.395 in^3

    answer is 115.4 cubic inches
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