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.

3 answers

side of square = 2
so perimeter of square = 4s

circumference of circle with radius r is 2πr

so ...

2πr = 4s
πr = 2s
r/s = 2/π
Nothing
Answer will 4/pi
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