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29 August, 23:26

If the circumference of a circle is 42pi, find its area in terms of pi

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  1. 29 August, 23:37
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    441pi

    Step-by-step explanation:

    Formula for circumference I'd 2pir

    so ...

    the radius is 42 / 2 = 21

    answer is pi21^2

    hope this makes sense!
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