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Date/Time Thumbnail Dimensions User Comment; current: 22:19, 22 April 2013: 915 × 579 (1 KB): Ysangkok: rsvg doesn't support stylesheets, use groups: 22:13, 22 April 2013
Date/Time Dimensions User Comment 2006-10-05 05:08: 988×611× (12078 bytes) Dicklyon: Heavier strokes on spiral so it will show up without being so big.
english: Series of Golden triangle and the Fibonacci spiral; italinao: la seria di triangoli aurei con esplicitazione della spirale di Fibonacci; Date: 09 - 10 - 2007: Source: Own work: Author: Personline
The golden spiral is a logarithmic spiral that grows outward by a factor of the golden ratio for every 90 degrees of rotation (pitch angle about 17.03239 degrees). It can be approximated by a "Fibonacci spiral", made of a sequence of quarter circles with radii proportional to Fibonacci numbers.
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English: Fibonacci Spiral generated with the free software GeoGebra. Date: 22 May 2009: Source: Own work: Author: Raiana Tomazini: Licensing. Public domain Public ...
Golden spirals are self-similar. The shape is infinitely repeated when magnified. In geometry, a golden spiral is a logarithmic spiral whose growth factor is φ, the golden ratio. [1] That is, a golden spiral gets wider (or further from its origin) by a factor of φ for every quarter turn it makes.