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TIL , as a congressman, future 20th President James A. Garfield contributed to the Pythagorean Theorem by providing additional proof using a trapezoid.
https://en.wikipedia.org/wiki/Garfield%27s_proof_of_the_Pythagorean_theorem
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1fgcfzt/til_as_a_congressman_future_20th_president_james/
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