Solve for r C=2pir

Problem

C=2*π*r

Solution

1. Identify the variable to isolate, which is r

2. Divide both sides of the equation by the coefficient of r which is 2*π

C/(2*π)=(2*π*r)/(2*π)

3. Simplify the right side of the equation by canceling out 2*π

C/(2*π)=r

4. Rewrite the equation with r on the left side.

r=C/(2*π)

Final Answer

r=C/(2*π)

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