SOLUTION: a circle with radius 4 inches has a central angle of 45 degrees. What is the length of the inscribed arc? Thanks

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Question 1015164: a circle with radius 4 inches has a central angle of 45 degrees. What is the length of the inscribed arc?
Thanks
Found 2 solutions by Alan3354, fractalier:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a circle with radius 4 inches has a central angle of 45 degrees. What is the length of the inscribed arc?
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Circumference = 2*pi*r
Arc = Circumference*(45/360)

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Length of an arc = [(theta)/360] * 2(pi)r = 45/360 * 8pi = pi inches