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|Greg Huberty, Univ. of Georgia|
|President James Garfield is credited with a proof of the Pythagorean theorem unlike other proofs in that it does not use squares of the sides; rather, it uses two triangles of sides a, b, and c along with a triangle with legs of c to create a trapezoid. The page includes link to a Geometer's Sketchpad version of Da Vinci's proof, as well as several other Pythagorean Theorem links. A student folder from the Dept. of Mathematics Education/J. Wilson.|
|Levels:||Middle School (6-8), High School (9-12)|
|Resource Types:||Lesson Plans and Activities, Documents/Sketches/Galleries, Geometer's Sketchpad|
|Math Topics:||Triangles and Other Polygons, History and Biography|
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