3 years ago

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

Mathematics

1 answer:

hodyreva [135]3 years ago

4 0

Answer:

(14n - 42)*pi

Step-by-step 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

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