SOLUTION: What is the measure of the central angle of a circle with radius 30 centimeters that intercepts an 18π centimeters arc?

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Question 1128563: What is the measure of the central angle of a circle with radius 30 centimeters that intercepts an 18π centimeters arc?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Find the circumference
+C+=+2%2Api%2Ar+
+C+=+2%2Api%2A30+
+C+=+60pi+
+%28+18pi+%29%2F%28+60pi+%29+=+3%2F10+
+.3%2A2pi+=+.6pi+ radians central angle
This is also:
+.3%2A360+=+108+ degrees