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2 August, 12:01

The circumference of a circle is 16π inches. Show how you can use this information to calculate the same circle's area.

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  1. 2 August, 12:41
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    A = 64 pi inches ^2

    Step-by-step explanation:

    Circumference is equal to

    C = 2*pi*r where r is the radius

    16 pi = 2 * pi * r

    Divide each side by 2 pi

    16pi/2pi = 2pir/2pi

    8 = r

    The radius is 8

    To find the area, we use

    A = pi r^2

    =pi (8) ^2

    = 64 pi
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