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OpenStudy (anonymous):
*Will give medal* What is the exact diameter of a circular rug with a circumference of twenty-one feet?
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OpenStudy (anonymous):
OpenStudy (anonymous):
rug?
OpenStudy (anonymous):
yes.
OpenStudy (anonymous):
like a object
OpenStudy (skullpatrol):
$$\huge C=2\pi r$$
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OpenStudy (anonymous):
Whatever. Look, Circumference equals 2*Pi*radius. In the problem (God! why does that book have so many problems!) 2*Pi*radius= 21 This implies, Radius=21/(2*Pi) Diameter= 2*21/2Pi Therefore answers 21 by Pi feet
OpenStudy (anonymous):
Thank you.
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