Suppose the circumference of a circle is #6pi#. What is its radius?

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Answer 1 · 2017-02-17T20:19:40

See explanation.

The circumference of a circle can be calculated using:

#C=2pixxr#

From the above formula the radius can be calculated as:

#r=C/(2pi)#

So in this situation we have:

#r=(6pi)/(2pi)=3#