Units of measurement
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Turn
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Radian
The radian is the base unit of angular measurement in the International System of Units (SI). One radian corresponds to an angle where the arc length is equal to the radius of the circle. A full circle contains 2π radians (approximately 6.283 radians).
Turn
A turn is a full circle, equivalent to 360 degrees or 2π radians. It is used in mechanics, programming, and some engineering fields.