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posted by JUNIOR C Wednesday, March 23, 2011 at 2:25pm.
A cross section of a hollow circular pipe shows that its inner diameter is 2 1/10 inches and that the pipe is 3/5 inch thick. What is its outside diameter?
2 1/10 + 1 1/5 2 1/10 + 1 2/10 = 3 3/10 inches
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