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24 April, 04:06

I'm looking to find the exact area of a circle with a diameter of 21 inches

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  1. 24 April, 06:52
    0
    A=346.46

    Step-by-step explanation:

    Using the formulas

    A=πr2

    d=2r

    Solving forA

    A=1

    4πd2=1

    4·π·212≈346.36059
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