Perhaps this picture, courtesy of Ray Kremer, will be useful.
As the closet door swings open and shut, it traces out a path on the
carpet that looks something like the figure on the left. There were no correct solutions received this week. The problem will remain open until the end of the semester.
Perhaps this picture, courtesy of Ray Kremer, will be useful.
As the closet door swings open and shut, it traces out a path on the
carpet that looks something like the figure on the left.
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Page last updated 9 March 1998.