degree
of an angle
Quick Summary
The degree of an angle is a unit of measurement for angles, with a full circle containing 360 degrees. This system of measurement dates back to at least the 13th century and is used with instruments like the protractor to construct and measure angles. Degrees can be further divided into minutes (60 per degree) and seconds (60 per minute). In mathematics, degrees are one of the common units for expressing angles, alongside radians.123
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