Angles

Table of Contents

• Angle
• Angles in Everyday Life
• Summary
• What’s Next?

In the previous segment, we learnt how to measure line segments. In this segment, we will learn about Angles.

What is an Angle?

An angle can be defined as a measure between two rays that originate from a single point.

Angl

Angle

The two rays that form the angle are called the Arms of the angle.

The arm where the angle starts is called the Initial arm and the arm where the angle ends is called the Terminal arm.

Vertex

Initial arm

Terminal arm

Vertex of an angle

The point where both the arms meet is called the Vertex. It is also referred to as the

Origin as both the rays originate from this point.