SOLUTION: what is the length of the arc circle with a radius of 4 intercepted by a central angle of 7 pi divided by 4? I know the arc formula is s = theta r.... I am not sure how to plug th

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Question 8335: what is the length of the arc circle with a radius of 4 intercepted by a central angle of 7 pi divided by 4? I know the arc formula is s = theta r.... I am not sure how to plug the information that I have into the formula...I am not certain of what my next step should be.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
You have the right formula for arc length:
s+=+r%2Atheta.
Here,+r+=+4 and theta+=+7%28pi%29%2F4
So, s+=+4%2A7%28pi%29%2F4 Cancel the 4's, and you get:
s+=+7%28pi%29