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23 December, 03:00

What's the radius of a circle with an area of 16π ft2

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  1. 23 December, 03:19
    0
    r = 4 ft

    Step-by-step explanation:

    The area of a circle is given by

    A = pi r^2

    We know the area is

    16 pi = pi r^2

    Divide each side by pi

    16 pi/pi = pi r^2/pi

    16 = r^2

    Take the square root of each side

    sqrt (16) = sqrt (r^2)

    4 = r
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