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2 answers

8

2007-01-17 11:47:19 · answer #1 · answered by Scottee25 4 · 0 1

The length of the arc is r*x where x is the central angle in radians.
8x = 2pi
x = 2pi/8 = pi/4 radians

2007-01-17 19:52:23 · answer #2 · answered by ironduke8159 7 · 0 0

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