Maximum Length A hallway of width 6 feet meets a hallway of width 9 feet at right
Chapter 4, Problem 91(choose chapter or problem)
Maximum Length A hallway of width 6 feet meets a hallway of width 9 feet at right angles. Find the length of the longest pipe that can be carried level around this corner. [Hint: If is the length of the pipe, show that where is the angle between the pipe and the wall of the narrower hallway.]
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