Copy of Pythagorean Theorem trapezoid proof by President Garfield

James Garfield (1831 - 1881) was the twentieth President of the United States. In 1876, discovered this demonstration of the Pythagorean Theorem while he was still a seated member of Congress.
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annieng1025 —

 
Typ Materiałów
Aktywność
Znaczniki
Grupa docelowa (wiek)
12 – 19+
Język
English (United States)
 
 
 
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