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20 August, 03:45

What is the circumference of a circle if the diameter is 7ft

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  1. 20 August, 04:14
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    You find the circumference is 2PIr

    so radius is half of the diameter so 7/2=3.5

    pi = 3.14

    2*3.14=6.28

    6.28*3.5 = 21.98
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