Kepler Triangle
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Kepler Triangle

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A Kepler triangle is a right triangle with edge lengths in geometric progression. Triangles with such ratios are named after the German mathematician and astronomer Johannes Kepler (1571 1630), who first demonstrated that this triangle is characterised by a ratio between short side and hypotenuse equal to the golden ratio.Kepler constructed it differently. In a letter to his former professor Michael Mästlin, he wrote, "If on a line which is divided in extreme and mea...