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

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Feb 17, 2017

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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#

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