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Five Circles and the Golden Ratio
Place five circles of diameter
symmetrically about a given point. They intersect the unit circle at the vertices of a regular pentagon when
or
, where ϕ is the golden ratio, 1.61803….
Contributed by:
Sándor Kabai
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RELATED LINKS
Five Disk Problem
(
Wolfram
MathWorld
)
Golden Ratio
(
Wolfram
MathWorld
)
PERMANENT CITATION
Sándor Kabai
"
Five Circles and the Golden Ratio
"
http://demonstrations.wolfram.com/FiveCirclesAndTheGoldenRatio/
Wolfram Demonstrations Project
Published: October 3, 2007
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