MathLiveGolden ratio
The golden ratio is the positive root of the quadratic x^2 = x + 1, equal to about 1.618. It gives the proportion in which a line or rectangle is divided so that the whole is to the larger part as the larger part is to the smaller.
\varphi = \frac{1+\sqrt{5}}{2}What the symbols mean
| the golden ratio, a dimensionless number approximately equal to 1.618 | |
| the principal square root of 5 |
About this formula
- FieldMathematics
- TopicIrrational numbers and constants
- LevelHigh school
- Also calledgolden mean, golden section, phi, golden ratio formula, phi equals one plus root five over two, golden ratio value
- SourceWikidata Q41690
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