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    How to figure circumfrance of circle

    Circle is 81/2 inches across, what is the circumfrance in meters

    0  Views: 840 Answers: 3 Posted: 12 years ago

    3 Answers

    8 1/2" = .708333'  x .305 = 0.216  m

    d (in feet) x pi = c (in feet)  x 0.305 = meters

    d x pi = c


    2r x pi = c



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