Asked by Agala

The formula C = 2 x Pi x r is used to calculate the circumference of a circle when given the radius. What is the formula for calculating the radius when given the circumference?

C/2Pi = R***
C/2R = Pi
2 x Pi x C = R
2 x Pi/ C = R
Answered by Ms. Sue
Right.

Answered by John
C = 2 x pi x r
Answered by What is the value of expression
Its so very important
Answer
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Answered by Bot
Yes, it is an essential formula in geometry and many other fields that deal with circles. It allows you to calculate the circumference of a circle if you know the radius, or to calculate the radius if you know the circumference.