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Definition

Degree (Angle)

A unit of measure based on dividing a circle into 360 equal parts, and used to measure angles, arcs and rotations.

Supplementary definitions

Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians. When that angle is with respect to a reference meridian, it indicates a location along a great circle of a sphere, such as Earth (see Geographic coordinate system), Mars, or the celestial sphere.

This extract is licensed under the Creative Commons Attribution-ShareAlike license. It uses material from the article "Degree (angle)", retrieved 1 Jan 2009.