What is Angle in Geometry AngleAngle: An angle is the union of two non-collinear rays with a common initial point. When two rays have a common initial point, an angle is formed. The common initial point is called the vertex of the angle, and the two rays forming the angle are called the arms or sides of the angle. An angle is represented by the symbol ‘∠’. The angles … [Read more...] about What is Angle in Geometry