Degrees to Radians conversion
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Degree, usually denoted by ° (the degree symbol), is a measurement of plane angle that is defined as 1/360 of a full rotation. Degree is a mathematical constant that is defined as 1° = π/180.
Radian is the standard unit of angular measure that defines the ratio between the length of arc and its radius. Radian is a former SI supplementary unit, but since 1995 when this category was abolished it is considered a SI derived unit.