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11 November, 15:44

The circumference of a circle of radius r is given by the polynomial 2 pi r2πr , where piπ is an irrational number. For an approximation of piπ , use 3.14. Find the circumference of a circle with radius 18 cm18 cm.

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  1. 11 November, 16:37
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    To find the circumference you use c = pi d. Radius * 2 = Diameter

    c = 3.14 (36)

    c = 113.04 in. square.
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