Units of measurement for an angle is degree. 1 degree is equal to (pi/180) radiance. 360 degree is equal to a circle and 180 degree is equal to half a circle or a straight line.

Units of measurement for an angle is degree. 1 degree is equal to (pi/180) radiance. 360 degree is equal to a circle and 180 degree is equal to half a circle or a straight line.

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