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Angle

ANGLE Definition: A figure, formed by two lines or rays diverging from a common point (the vertex). ATTRIBUTES Vertex The vertex is the common point at which the two lines or rays are joined. Point B is the figure above is the vertex of the angle  ∠ ABC. Rays The rays (sides) of an angle are the two lines that make it up. In the figure above, the line segments AB and BC are the rays of the angle  ∠ ABC. Interior The interior of an angle is the space in the 'jaws' of the angle extending out to infinity. Exterior All the space on the plane that is not the interior. Types of angle Altogether, there are six types of angle as listed below.