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Mathematics 7 Online
OpenStudy (anonymous):

Find the exact circumference of a circle with the given radius. 7 feet

OpenStudy (anonymous):

It is impossible to find the EXACT circumference of any circle :)

OpenStudy (anonymous):

right one cannot find the exact circumference of circle due to pi. But one can find approximate circumference of circle by using the formula \[2 \pi r\]

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