Right Triangle Showing Pythagorean Theorem

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Illustration of a right triangle that can be used to show Pythagorean theorem. “In any right triangle, the square described upon the hypotenuse is equal to the sum of the squares described upon the other two sides.”


International Correspondence Schools I.C.S. Reference Library Mathematics (Scranton: International Textbook Company, 1905) Geometry & Trigonometry Pg. 11


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