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The Door and The Rod

Author(s): 

Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.  It is found that the rod is 4 feet longer than the width of the door, two feet longer than the height and the same length as the diagonal.  What are the dimensions of the door?

China, 100 BCE

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"The Door and The Rod," Loci (July 2006)

Dummy View - NOT TO BE DELETED