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

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#### Explanation:

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5
Feb 17, 2017

See explanation.

#### Explanation:

The circumference of a circle can be calculated using:

## $C = 2 \pi \times r$

From the above formula the radius can be calculated as:

$r = \frac{C}{2 \pi}$

So in this situation we have:

$r = \frac{6 \pi}{2 \pi} = 3$

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