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 Post subject: A pentagonal grid problem
PostPosted: Mon May 06, 2013 12:54 pm 
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Joined: Mon Aug 18, 2008 10:16 pm
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This problem was inspired by Kadon's Puzzling Pentagon. A picture of this puzzle can be seen at this page. It is made up of four pentagons, each dissected identically into four golden triangles. The triangles can be assembled into one large pentagon.

Suppose we take this puzzle and make a tray for the pieces. On the tray we want to draw a grid as a guide to place the pieces. The edges of the grid would represent all the legal edge positions of pieces for any valid solution. What should the grid look like?


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