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30 October, 20:09

Question: The radius of a circle is 16 cm. Find an equation that expresses the ratio of the circumference of the circle to the circle's diameter as π. Show all steps.

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  1. 30 October, 22:22
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    C/d = pi

    Step-by-step explanation:

    The circumference is given by

    C = 2 * pi * r

    C = 2 * pi * 16

    C = 32 pi

    The diameter is 2 times the radius

    d = 2*16 = 32

    C = pi * d

    Divide each side by d

    C/d = pi * d/d

    C/d = pi
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