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July 23, 2014

July 23, 2014

Posted by **Sarah** on Tuesday, January 14, 2014 at 10:17pm.

0.50

28.65

114.59

0.01

- Math help me quicckly -
**Reiny**, Tuesday, January 14, 2014 at 10:30pmarclength = rØ, where r is the radius, and Ø is the central angle in radians

30 = 15Ø

Ø = 30/15 or 2 radians

π radians = 180°

so 2 radians = 2(180/π)° = appr 114.59°

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