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What is the best estimate of the circumference of a circle with a diameter of 47 mm: a) 141mm b) 139mm c) 121mm d) 100mm

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  1. 27 May, 02:10
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    Using the formulasC=2π r

    d=2r

    Solving for C:

    C=π

    d=π·47≈147.65485mm
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