SOLUTION: A piece of a drain pipe, right cylindrical in shape, is 3 feet long. The wall of the pipe is ¾ inch thick; the inner radius of the pipe is 8 inches. Find the outside surface area
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Question 1196989: A piece of a drain pipe, right cylindrical in shape, is 3 feet long. The wall of the pipe is ¾ inch thick; the inner radius of the pipe is 8 inches. Find the outside surface area of the pipe.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
The outside radius is .
Top and bottom of the outside are two of the same size. Those much together:
square inches.
Outer circumference:
-
Outer wall surface area:
--
The length was given in feet. The factor 12 is for converting to inches.
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