The Greek Letter: The Golden Ratio

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The golden ratio is a unique number approximately equalling 1.6180339887. The Greek letter ‘phi’, Φ, represents the golden ratio which can be found in many places including the human body, architecture, nature and art. The golden ratio has many different names including the: divine section, medial section, golden mean, divine proportion and golden proportion. If a line where to be split into two unequal sections and the whole length of the line divided by the longer section of the line equals the longer section of the line divided by the shorter section of the line, then this is called ‘phi’. The formula for finding if a line uses phi is: (a+b) ÷a= a÷b. This formula may not work on all lines but the lines in which it does, are a representation of phi.

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