Asked by Arik

. If the central angle of a circle is
4šœ‹
3
radians and the arc length is 100 cm, what is the length of the
radius? Round to 2 decimal places.
Answered by oobleck
s = rĪø, so you have
100 = 4šœ‹/3 r
r = 300/(4šœ‹) = 75/šœ‹