This is President James Garfield’s proof of the Pythagorean Theorem

It’s been a while since I’ve done geometry, so I forgot the formula for the area of a trapezoid. Luckily, President James Garfield did not forget. He was a smart guy, it turns out!

Via Reddit.

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One Comment

  1. Posted November 27, 2019 at 3:20 am | Permalink

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