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BookmarkAn angle is the figure formed by two rays sharing a common endpoint, called the vertex of the angle.
Angles provide a means of expressing the difference in slope between two rays meeting at a vertex without the need to explicitly define the slopes of the two rays.
Angles are studied in geometry and trigonometry..
For more information about the topic Angle, read the full article at Wikipedia.org, or see the following related articles:
Triangle — A triangle is one of the basic shapes of geometry: a polygon with three vertices and three sides which are straight line segments. Any three ... > read more
Hyperbolic geometry — In mathematics, hyperbolic geometry is a non-Euclidean geometry, meaning that the parallel postulate of Euclidean geometry is rejected. The parallel ... > read more
Euclidean geometry — Euclidean geometry is a mathematical well-known system attributed to the Greek mathematician Euclid of Alexandria. Euclid's text Elements was the ... > read more
Trigonometry — Trigonometry is a branch of mathematics which deals with triangles, particularly triangles in a plane where one angle of the triangle is 90 degrees ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Angle at Wikipedia.org. See the Wikipedia copyright page for more details.
