Posted by **uo** on Friday, August 15, 2014 at 9:01am.

If the circumference of a circle of radius r inches is equal to the perimeter of square with a side length of s inches, r/s=

A. 4/π

B. 2/π

C. √2/π

D. √2/π

E. 1/2π

I need help.

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