Golden Section

or Golden Mean

The Golden Section or Golden Mean, is an irrational proportion defined as a line cut in such a way that

  • the ratio between the smaller section to the greater, is like
  • the ratio of the greater section to the whole line

golden section

The Golden Section can be expressed as

AB/BC = BC/AC    (1)

The ratio of the two lengths is called phi - Φ = 1.618

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