The golden ratio (φ ≈ 1.6180339887) is a special mathematical ratio where (a+b)/a = a/b = φ. It appears in nature, art, architecture, and mathematics. A rectangle with side ratio φ:1 is a "golden rectangle," considered aesthetically pleasing.
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Pro Tip
For designers: the golden ratio can guide layout proportions, type scale, and spacing. Many popular design systems (including some used by Apple and Google) incorporate golden ratio proportions.
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Did You Know?
The claim that the human body is full of golden ratios is largely myth — studies show many reported golden ratios in nature and the body are approximate at best. The real mathematical occurrences (pentagons, Fibonacci sequences) are genuine and remarkable.
References
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