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chord (geometry)

In geometry, a straight line joining any two points on a curve. The chord that passes through the centre of a circle (its longest chord) is the diameter. The longest and shortest chords of an ellipse (a regular oval) are called the major and minor axes, respectively.

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Yellow and the diamond shape represent Brazil's mineral wealth. The motto Ordem e Progresso means ‘Order and Progress’. Green stands for the vast forests. Effective date: 15 November 1889.

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