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| definition: A rectangle can be called "Golden" Rectangle, if the lenghts of its sides have a ratio of T/1, that means it has the sides s and Ts. |
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If you splitt away from a "Golden Rectangle" a square, which should be chosen as big as possible (a square of the lenght a), the remnant is also a "golden rectangle".
This procedure can be repeated on and on (see picture left). |
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| "Golden Spiral": In every square of the Golden Rectangle you draw a quarter of a circle. |