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OpenStudy (anonymous):
Find the radius of a circle with the given circumference. 15 pi ft.
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OpenStudy (anonymous):
If the circumference is 15, that means the radius is about 2.39. D = 2rπ 15 = 2rπ (Divide both sides by 2π) ≈2.387 = r Hope that helped!
OpenStudy (anonymous):
That was supposed to say C = 2rπ, not D.
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