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FYI, there is a simple and elegant proof of pythagorus’s theorum that doesn’t need more knowledge than that the area of a square is x^2: http://math4allages.files.wordpress.com/2010/02/pythagrean41.png
FYI, there is a simple and elegant proof of pythagorus’s theorum that doesn’t need more knowledge than that the area of a square is x^2: http://math4allages.files.wordpress.com/2010/02/pythagrean41.png