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The Door is A Jar

Author(s): 

A two door gate of unknown width is opened so that a 2 inch gap exists between the two doors.  It is known that the open door's edge protrudes 1 ft from the door sill.  What is the width of the gate?

China, 100 BCE

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"The Door is A Jar," Loci (July 2006)

Dummy View - NOT TO BE DELETED