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24 June, 11:16

Find the radius of a discus woth a circumference 8.6 pi inches

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  1. 24 June, 12:51
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    4.3π or 13.51 = r

    Step-by-step explanation:

    C=2πr To find the circumference of a circle, you must have the formula

    8.6π = 2πr Substitute the C for 8.6π

    4.3π = r Divide both sides by 2π

    13.51 = r Simplify 4.3π if needed
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