Directory For a Sex Photos : visualizingmath: matthen: How to cut an equilateral triangle into only four pieces so they can be rearranged into a square? Henry Dudeney’s solution to this (the Habberdasher’s problem) is particularly neat as it can work using hinged pieces
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» visualizingmath: matthen: How to cut an equilateral triangle into only four pieces so they can be rearranged into a square? Henry Dudeney’s solution to this (the Habberdasher’s problem) is particularly neat as it can work using hinged pieces
