Table of Contents
- Triangle
- Applications of Triangles
- Summary
- What’s Next?
In the first segment of the lesson Triangle and its properties, we will revisit the basics.
What is a Triangle?
A Triangle is a three-sided closed figure with three angles in its interior.
Triangle
The three points of the triangle are called Vertices. Each point is a vertex where 2 segments meet.
The process to name the triangle name is to name its three vertices. For example,
If the vertices of a triangle are named A, B, and C, then the triangle is called Triangle ABC. It
is written symbolically as △ABC.
A
B C
Triangle ABC