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How many ways are there to prove the Pythagorean theorem? - Betty Fei

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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-many-w... What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous proofs. Lesson by Betty Fei, animation by Nick Hilditch.Thank you so much to our patrons for your support! Without you this video would not be possible. Steph, Jack Ta, Jose Fernandez-Calvo, PnDAA , Marcel Trompeter-Petrovic, Radoslava Vasileva, Sandra Tersluisen, Fabian Amels, Sammie Goh, Mattia Veltri, Quentin Le Menez, Sarabeth Knobel, Yuh Saito, Joris Debonnet, Martin Lõhmus, Patrick leaming, Heather Slater, Muhamad Saiful Hakimi bin Daud, Dr Luca Carpinelli, Janie Jackson, Jeff Hanevich, Christophe Dessalles, Arturo De Leon, Delene McCoy, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Joshua Downing, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe.

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