lovelystar1 lovelystar1

27-02-2016
Mathematics

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what is the circumference of a circle with a diameter of 57 centimeters

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olemakpadu olemakpadu

28-02-2016

C = 2πr or C = πd

Diameter d = 57 cm

C = πd

C = π*57 = 57π

C ≈ 57 * 3.14159 = 179.07063

Exact circumference is 57π cm or

≈ 179.07 cm.

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