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# A Biography and Life Work of Pythagoras, an Ancient Greek Mathematician

PythagorasPythagoras was a very significant person in the history of the world He mademany contributions to the fields of math music and astronomy Pythagorass teachingsand beliefs that were once taught by him in his own school in ancient Greece are stilltaught todayThe thing that Pythagoras is probably the most famous for is the PythagoreanTheorem The Pythagorean Theorem is used in the field of mathematics and it states thefollowing the square of the hypotenuse of a right triangle is equal to the sum of thesquares of the two other sides This means that if one makes a square with all sidesequal in length out of a triangle with a right angle the areas of the squares made fromthe two shorter sides when added together equal the area of the square made from thelong side Another geometrical discovery made by Pythagoras is that the diagonal of asquare is not a rational multiple of its side The latter discovery proved the existence ofirrational numbers and therefore changed the entire Greek mathematical belief that wholenumbers and their ratios could account for geometrical properties Another contribution of Pythagoras and his follower is that of music Pythagorasessentially created music in that he discovered the way it works Pythagoras noticed thatvibrating strings produce harmonious tones when the ratios of the lengths of the stringsare whole numbers After making this discovery he found that these same ratios couldbe extended further to other instrumentsPythagoras was one of the first to teach that the Earth was at the center of theuniverse He was also one of the first to teach that the world was round an idea not tobe proven for almost another one thousand years Pythagoras also discovered that theorbit of the moon is inclined to the equator of the Earth He also was the first person tomake the connection that Venus as the evening star is the same as Venus the morningstarSo in conclusion Pythagoras made many contributions to modern society Thus making

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