Garfield's Proof of the Pythagorean Theorem

Explore the proof of the Pythagorean Theorem offered by James A. Garfield, the 20th President of the United States. You will start with trapezoid with bases a and b and height (a+b). You can use the slider to vary a. Use media buttons to observe step-by-step proof of the Pythagorean Theorem.

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App generated by Geometry Expressions