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OpenStudy (anonymous):
The circumference of a circular painting is 21.98 feet. What is the diameter of the painting?
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OpenStudy (anonymous):
6.996, or 7 ft (I think) :P
OpenStudy (jdoe0001):
\(\bf \textit{Circumference of a Circle}=2\pi r\qquad r=radius\implies \cfrac{diameter}{2}\\ \quad \\ 21.98=2\pi r\implies \cfrac{21.98}{2\pi}=r\qquad diameter = 2\times r\)
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