SOLUTION: find the length S of the arc of a circle of radius 72 inches subtended by the central angle 1/9 radian

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Question 1200021: find the length S of the arc of a circle of radius 72 inches subtended by the central angle 1/9 radian
Answer by ikleyn(52879) About Me  (Show Source):
You can put this solution on YOUR website!
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The length of the arc is  r%2Aalpha,  where r is the radius and alpha  is the angle in radians.


In our case,  r = 72 inches (given)  and  alpha = 1%2F9  of a radian (given).


So, the arc length is  72%2F9 = 8 inches.    ANSWER

Solved.