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7 December, 05:19

The area of circle C is 64pi ft. What is the value of r

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  1. 7 December, 07:05
    0
    The radius is 8 ft

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    64 pi = pi r^2

    Divide each side by pi

    64 pi / pi = pi/pi r^2

    64 = r^2

    Take the square root of each side

    sqrt (64) = sqrt (r^2)

    8 = r
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