Great explanation of Pythagoras.

Great explanation of Pythagoras.

Originally shared by Tom Eigelsbach

Demonstration of the Pythagorean Theorem
Not a proof, as it could have been just a close approximation, but it's what I call an "engineer's proof." For an actual visual proof:

And see a more algebraic proof by (20th) President Garfield here:
Garfield's proof of the Pythagorean Theorem

(President Garfield said that this was the only claim he ever made that people in both parties and both houses of Congress could all agree upon was fact!) 

And a different visual proof, maybe my favorite: 
Pythagoras in 60 Seconds

And here's yet another one, also a fun one to watch:
Visual Proof of the Pythagorean Theorem


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