SOLUTION: An angle with a measure of 1 radian subtends what portion of a circle's circumference? thanks

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Question 1001836: An angle with a measure of 1 radian subtends what portion of a circle's circumference?
thanks
Answer by Boreal(15235) About Me  (Show Source):
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A radian is the length of the radius put on to the circle. Since the circle has a circumference of 2 pi r, a radian is r/2pir=(1/2pi) of the circumference. That is 1/6.28 of the circle's circumference or about 16%.