Unformatted text preview: artistic director of the construction of the Parthenon, who supposedly used the golden ratio in his work. Then by the definition of the golden ratio, / 1 = (1 + ) / so 2 = 1 2 + 1 and we get the quadratic equation, 2  1 = 0 As a project, solve this quadratic equation for the golden ratio . You should get, = 1/2 + 5 / 2 1.618 Project: Do this derivation....
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 Fall '10
 KarenRoberts
 Irrational number, Euclid, Golden ratio, Phideas

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