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7 May, 14:27

Find the circumference of a circle with radius, r = 19.5m.

Give your answer in terms of pie

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  1. 7 May, 15:38
    0
    39π cm

    Step-by-step explanation:

    The circumference (C) of a circle is calculated as

    C = 2πr (r is the radius)

    Here r = 19.5, thus

    C = 2π * 19.5 = 39π cm
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