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The Golden Spiral [GO to 'The Golden Spiral: In Action']

The Golden Spiral, sometimes called the Golden Round, is a spiral with proportions similar to the Golden Rectangle. It is constructed in a similar fashion to the Fibonacci Spiral, except that, rather than starting small and working out, you start large and work inward.

Golden Spiral

This spiral is actually only a series of quarter-circles drawn in squares. These squares have been inscribed in Golden Rectangles, as shown below. All rectangles in the diagram below are Golden Rectangles.

Golden Spiral


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Random Fibonacci number from the 1st through the 200th:

 

All contents, unless otherwise specified, are © 1999 by Matt Anderson, Jeffrey Frazier, and Kris Popendorf.
Created by Team 27890 for the 1999 [ThinkQuest] competition.