Haberdasher's Problem
A square is cut into four pieces that can be rearranged to form an equilateral triangle. Henry Dudeney published this puzzle in 1902.
Contributed by:
George Beck
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Haberdasher's Problem
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Haberdasher's Problem
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http://demonstrations.wolfram.com/HaberdashersProblem/
Contributed by:
George Beck
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