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Definition: Angles are formed by two rays that begin at the same point or share the same endpoint. The angle measures the amount of turn between the two arms and is usually measured in degrees or radians. Where the two rays intersect (come together to meet) is called the vertex. The two rays are sometimes referred to as the arms.
1. (Mathematics) the space between two straight lines that diverge from a common point or between two planes that extend from a common line. 2. (Mathematics) the shape formed by two such lines or planes. 3. (Mathematics) the extent to which one such line or plane diverges from another, measured in degrees or radians. 4. an angular projection or recess; corner. 5. standpoint; point of view: look at the question from another angle; the angle of a newspaper article.