Frank

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Frank
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Golden Ratio Next to Poster

The ratio of the blue segment to a red segment is the Golden Ratio

Golden Ratio With three polygons, source

New very simple golden ratio construction incorporating a triangle, square, and pentagon all with sides of equal length. Is there any prior art?

The Golden Ratio and 60 degree (equilateral) triangles in a circle. (P Fraley & C Fraley were able to prove this, 1/30/13)

The Golden Ratio and 60 degree (equilateral) triangles in a circle. (P Fraley & C Fraley were able to prove this,

zonnebloem

zonnebloem

Magic hexagon.

Mathematics Encyclopedia comprises all the contents related to mathematics. It includes, algebra, number theory, geometry, calculus etc.