Explain how to find the circumference of a circle if you know the radius of the circle.

asked Apr 27, 2020 211k views

2 votes

by Haz

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2 votes

C = 2•pi•r

Circumference = 2•pi•radius

Dplante answered Apr 30, 2020

7.8k points

3 votes

Double the radius to get the diameter.
Then, multiply the diameter by pi to get the circumference.

Lonnell answered May 3, 2020

7.6k points

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