Angle Measures

Definition

Angle measures refer to the amount of rotation between two rays that share a common endpoint called the vertex. They are usually measured in degrees or radians.

Related terms

Degree: A unit for measuring angles where one complete revolution is divided into 360 equal parts.

Radian: A unit for measuring angles based on the radius of a circle, where one complete revolution is equal to 2π radians.

Vertex: The common endpoint shared by two rays forming an angle.