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Dudeney's Amusements @dudeney_puzzles

151. THE JOINER'S PROBLEM. I have often had occasion to remark on the practical utility of puzzles,
arising out of an application to the ordinary affairs of life of the little tricks and "wrinkles" that we learn while solving recreation problems.

The joiner, in the illustration, wants to cut the piece of wood into as few pieces as possible to form a square table-top, without any waste of material. How should he go to work? How many pieces would you require?

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