Questions on Geometry: Polygons answered by real tutors!

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Question 166749: The circumference of the circle is 30.2 cm. Find the radius.: The circumference of the circle is 30.2 cm. Find the radius.
Answer by nerdybill(1284) About Me  (Show Source):
You can put this solution on YOUR website!
circumference of a circle:
2(pi)r
.
where pi is 3.14
.
30.2 = 2(3.14)r
15.1 = 3.14r
4.81 cm = r (radius)