Plastic ratio
Algebraic number, approximately 1.3247 / From Wikipedia, the free encyclopedia
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In mathematics, the plastic ratio is a geometrical proportion close to 53/40. Its true value is the real solution of the equation x3 = x + 1.
Quick Facts Rationality, Symbol ...
Rationality | irrational algebraic |
---|---|
Symbol | ρ |
Representations | |
Decimal | 1.3247179572447460259609088... |
Algebraic form | real root of x3 = x + 1 |
Continued fraction (linear) | [1;3,12,1,1,3,2,3,2,4,2,141,80,...] [1] not periodic infinite |
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The adjective plastic does not refer to the artificial material, but to the formative and sculptural qualities of this ratio, as in plastic arts.