SOLUTION: find the arc length s, of an arc with a central angle O=7pi/4 and radius r=4 inches this is really confusing because it does not give me a degree

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Question 1109023: find the arc length s, of an arc with a central angle O=7pi/4 and radius r=4 inches
this is really confusing because it does not give me a degree
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find the arc length s, of an arc with a central angle O=7pi/4 and radius r=4 inches
this is really confusing because it does not give me a degree
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2pi radians = 1 revolution = 360 degs
7pi/4 is 7/8 of a revolution = 315 degs
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Arc length = r*angle = 4*(7pi/4) = 7pi inches
degrees are not needed.