Pythagorean theorem

[RICHARD BARTH]

Not exactly a rigorous mathematical proof, but it gets the point across.


https://twitter.com/SciencePorn/status/784649143314677760?t=1&cn=ZmxleGlibGVfcmVjc18y&refsrc=email&iid=fda1d65edbea4a47acf27f891715aa18&uid=2828723295&nid=244+289476608
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