SOLUTION: I am working this problem with my son and just want to make sure that I have the right format: A wire is bent to form three semicircles; find the length of the wire in terms of pi

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Question 599567: I am working this problem with my son and just want to make sure that I have the right format: A wire is bent to form three semicircles; find the length of the wire in terms of pi.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
In order to find the length we need to know the radius of the semicircles
Length around a semi-circle is %28pi%2Ar%29%2B2r%29, therefore
L = 3%28%28pi%2Ar%29%2B2r%29
L = %283%2Api%2Ar%29%2B6r