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|Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny|
|According to the Wallace-Bolyai-Gerwien theorem, all simple polygons of equal area are equidecomposable by dissection. The site offers a proof of the theorem and several dynamic illustrations of equidecomposition in special cases.|
|Levels:||High School (9-12), College|
|Resource Types:||Articles, Web Interactive/Java|
|Math Topics:||Triangles and Other Polygons|
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