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- Mona Lisa and the golden rectangle
- Blinder, S. M.
- The ancient Greeks thought that the most pleasing proportions for a rectangle were those in which the rectangle's sides were in the ratio of about 1.618 to 1. This number is called the golden section or golden ratio and a rectangle with those proportions is called a golden rectangle. Leonardo da Vinci referred to the golden ratio as the "divine proportion". There are several features of his most famous painting, the Mona Lisa, to which a golden rectangle can be fitted. See how many of these you can find by varying the orientation, position, and size of the rectangle
- Componente Curricular::Ensino Fundamental::Séries Finais::Matemática
- Componente Curricular::Ensino Médio::Matemática
- golden number
- Educação Básica::Ensino Fundamental Final::Matemática::Espaço e forma
- Educação Básica::Ensino Médio::Matemática::Números e operações
- This demonstration needs the "MathematicaPlayer.exe" to run. Found in http://objetoseducacionais2.mec.gov.br/handle/mec/4737
- Demonstration freeware using Mathematica Player
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