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Question

How do you find the radius of a circle from its circumference?


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Solution

Solve for radius of the circle:

As the circumference of the circle C is given by;

C=2πr, where r is the radius of the circle.

C2π=2πr2π

C2π=r

Hence, the radius of the circle can be find out by dividing its circumference by 2π.


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