Posted by **ashley** on Tuesday, July 24, 2012 at 6:23pm.

a) Determine the measure of the central angle that is formed by an arc length of 5 cm in a circle with a radius of 2.5cm. Express the measure in both radians and degrees, correct to one decimal place.

b) Determine the arc length of a circle in part a) if the central angle is 200o.

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