Strip to Pentagon


by Henry E. Dudeney

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Puzzle 1. Take a strip of paper with the one edge cut out as shown in the upper illustration. The object of the puzzle is to fold this strip into a perfect pentagon.

Puzzle 2. This is a generalized version of Dudeney's puzzle. The object is the same - to fold the strip into a perfect pentagon - except that this time the strip is a perfectly rectangle ribbon of paper as shown in the lower illustration.

Last Updated: October 24, 2006
PDF Version (217 KB)

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Strip to Cube   Fold the Sheet
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