Angle Definition: An angle is formed by joining two rays meeting at a common end point.
∠AOB is read as angle AOB.
Parts of an Angle
Arms of an angle: The two rays that are joined to form an angle are called the arms of an angle. In the picture, OA and OB are the arms of an angle.
Vertex of an angle: The common point where the two rays meet to form an angle is called the . The point O in the picture is called the vertex.
its vertex: ∠A
a number on its vertex: ∠1
the three points on the angle, in which the vertex goes in the center: ∠BAC or ∠CAB
This article was originally published on The splash math. Read the original article.
Source:
https://www.splashmath.com/math-vocabulary/geometry/angle
Angle Symbol:
An angle is represented by a symbol ∠∠AOB is read as angle AOB.
Angles Around Us
Angles can be found in food items, between the hands of a clock, in photo frames, etc.Parts of an Angle
Arms of an angle: The two rays that are joined to form an angle are called the arms of an angle. In the picture, OA and OB are the arms of an angle.
Vertex of an angle: The common point where the two rays meet to form an angle is called the . The point O in the picture is called the vertex.
Naming an angle
In geometry, an angle is named either by:its vertex: ∠A
a number on its vertex: ∠1
the three points on the angle, in which the vertex goes in the center: ∠BAC or ∠CAB
This article was originally published on The splash math. Read the original article.
https://www.splashmath.com/math-vocabulary/geometry/angle
