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Mathematics 21 Online
OpenStudy (anonymous):

Suppose the circumference of a circle is 8π. What is its radius?

OpenStudy (anonymous):

@Niko_De_Angelo can you help on this one

OpenStudy (anonymous):

The formula for circumference is..\[C=\pi*d\] C is the circumference and d is the diameter. the radius is half of the diameter. in your equation is the diameter is 8. So divide 8 by 2 and you'll get the radius.. Let me know if you need help.

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