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Radian - definitions

Radian - Unit of angular measurement. There are 2 pi radians in the circumference of a circle, where pi is the constant ratio of the circumference to the diameter (pi = 3.14159...).

[Category=Data Quality ]

Source: iSixSigma, 19 February 2011 11:49:13, External

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radian - [Euclidean geometry] The angle subtended by an arc of a circle that is the same length as the radius of the circle, approximately 57 degrees, 17 minutes, and 44.6 seconds. There are 2Ï€ radians in one complete rotation.

[Category=Geospatial ]

Source: esri, 24 July 2012 09:20:41, External

Data Quality Glossary.  A free resource from GRC Data Intelligence. For comments, questions or feedback: