The radius of a circle is (7n-21) inches find circumference of the circle in terms of n.

asked Jan 2, 2020 106k views

4 votes

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1 vote

Answer:

(14n - 42)*pi

Explanation:

Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi

Fncomp answered Jan 7, 2020

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