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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

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Agala

  1. Right.

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    Ms. Sue

  2. C = 2 x pi x r

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    John

  4. Its so very important

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    What is the value of expression

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