Matchstick puzzle
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Matchstick puzzles are rearrangement puzzles in which a number of matchsticks are arranged as squares, rectangles or triangles.
The problem to solve is usually formulated as : move n (some specified number) matchsticks to make m (another specified number) squares (or triangles, or rectangles).
External Link
- Twelve Matchsticks Area Puzzle (http://www.cut-the-knot.org/pythagoras/12MatchesAreaPuzzle.shtml)ja:マッチパズル