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A short proof of the Pythagorean Theorem, by
Poo-sung Park.
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An animated proof of the Pythagorean Theorem, by
Erich Neuwirth.
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A
right triangle
generator, by Heiner Becker. |
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Greg Egan's
Syntheme - best icosahedron on the web. |
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The remarkable number
1/89, by Robert Miner. |
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Some thoughts on the number
6, by John Baez. |