Bhaskara

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Pythagoras
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Bhaskara
BHASKARA’S PROOF :  The right-angle triangle abc has constructed upon it squares A,B & C. The Pythagorean Theorem states A squared plus B squared = C squared, i.e., the square of the hypotenuse equals the squares of the other two sides. The Indian mathematician Bhaksara (1114-85) devised an ingenious proof of this theorem – a very early “proof by dissection.” He constructed square cglm identical to square C.  The strategy being to superimpose the equivalent of square B, gmlg, and square A on cglm.  This is accomplished by moving the green triangles mol & gls to the position of the pink triangles, with the center filled by the blue square – the equivalent of square A.  Q.E.D.
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