An angle is formed by the union of two non-collinear rays that have a common endpoint. This endpoint is the vertex of the angle, and the two rays become the sides of this angle. These two rays can form different types of... More »

Non-collinear points are any group of three or more points that do not fall on the same straight line. More than two points in the group are needed for non-collinear points, since any two points can form a straight line. More »

A figure formed by two rays meeting at a common endpoint is called an angle. The endpoint where the two rays meet is called the vertex. Angles are usually measured in degrees or radians. More »

www.reference.com Math Geometry

Two rays that have a common endpoint form an angle. In this formed angle, the endpoint is known as the vertex while the rays are its sides. More »

The common endpoint of the sides of an angle is called a vertex. For example, triangles have three vertices, while squares have four. These common endpoints are often colloquially called corner points, though this may re... More »

Two rays that meet at a common endpoint are called an angle in geometry. In an angle, the rays are its sides and the endpoint is the vertex. More »

www.reference.com Math Geometry

The vertex is the common endpoint when two rays intersect to form an angle. The formed angle is named by using three points. One point is on each of the two rays, and the third is at the vertex point. More »