SOLUTION: In the following problem, θ is a central angle that cuts off an arc of length s. Find the radius of the circle. (Round your answer to two decimal places.) θ = 150°, s =

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Question 1128109: In the following problem, θ is a central angle that cuts off an arc of length s. Find the radius of the circle. (Round your answer to two decimal places.)
θ = 150°, s = 5 km


km = ?
Found 2 solutions by ikleyn, josmiceli:
Answer by ikleyn(52794)   (Show Source): You can put this solution on YOUR website!
.

First,  S =  :  the arc length is the radius times the central angle measure in radians.


Second,  150 degrees =  radian.


Therefore,  R =  =  =  =  =  = 1.91 kilometer.   ANSWER

Solved.


Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!


The circumference, C is km



km
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