1. The problem statement, all variables and given/known data A corridor of with a is at right angles to a second corridor of width b. A long, thin, heavy rod is to be pushed along the floor from the first corridor into the second. What is the length of the longest rod that can get around the corner? 2. Relevant equations I have no idea how to set this equation up :S 3. The attempt at a solution Final answer should be ((a^(2/3)+b^(2/3))^(3/2) HELP!! I don't know where to start!