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|Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny|
|An interactive discussion of H. A. Schwarz's and L. Fejér's solutions to Fagnano's problem: inscribe in a given acute-angle triangle the triangle of a minimum perimeter.|
|Levels:||High School (9-12), College|
|Resource Types:||Web Interactive/Java|
|Math Topics:||Triangles and Other Polygons|
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