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3 answers

Circumference = 2*PI * r

Therfore : Circumference / r = 2 * PI

PI is nominally equal to 3.14

2006-11-28 11:59:41 · answer #1 · answered by Mike 4 · 0 0

since 2pi(radius) = circumference, circumference divided by radius = 2pi. In other words,

2piR = C =>

C/R = 2pi

2006-11-28 19:58:39 · answer #2 · answered by Gary H 6 · 0 0

2*pi. Please pay attention in class.

2006-11-28 19:58:28 · answer #3 · answered by Hy 7 · 0 0

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