The Golden angle reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Golden angle

In geometry, the golden angle is the angle created by dividing the circumference c of a circle into a section a and a smaller section b such that

and

and taking the angle of arc subtended by the length of circumference equal to b as the golden angle. There are &phi² golden angles in a circle.

See also: golden section.

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