2(pi)r=C

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Solution for 2(pi)r=C equation: 


Simplifying
2(pi) * r = C

Multiply ip * r
2ipr = C

Solving
2ipr = C

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Divide each side by '2pr'.
i = 0.5p-1r-1C

Simplifying
i = 0.5p-1r-1C

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