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Mathematics 21 Online
OpenStudy (anonymous):

What is the exact diameter of an area rug with a circumference of 36 feet?

myininaya (myininaya):

is an area rug circular? i will assume so since we are talking about diameter now Circumfernce is \[C=2\pi r=36=>r=\frac{36}{2\pi}=\frac{18}{\pi}=>d=2r=2 \cdot \frac{18}{\pi}=\frac{36}{\pi}\]

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