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4 May, 22:59

A circle has a circumference of 138.16 meters. What is the diameter of the circle?

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  1. 5 May, 01:37
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    circumference = 2 π r

    138.16 = 2 π r

    138.16/2π = 2π/2π r

    21.98884694 = r

    D iameter = r X 2

    Diameter = 21.98884694 X 2

    Diameter = 43.97769388
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