Jisho

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Noun, No-adjective
1. angle
Wikipedia definition
2. AngleIn geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles are usually presumed to be in a Euclidean plane, but are also defined in non-Euclidean geometry. Angle is also used to designate the measure of an angle or of a rotation. This measure is the ratio of the length of a circular arc by its radius. In the case of an angle (figure), the arc is centered at the vertex and delimited by the sides.
Read “Angle” on English Wikipedia
Read “角度” on Japanese Wikipedia
Read “Angle” on DBpedia

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