Triangles are very important to understand as knowledge of Triangles is tested in most of the major academic and competitive exams.
Triangle is one of the polygons as it is a closed shape made up of line segments. Triangles are three-sided shapes.
There are two types of triangles - Scaler, Isosceles, right Triangle.
- Isosceles Triangles (45-45-90 Triangle) - These triangles have two sides equal.
- Equilateral Triangles (30-60-90 Triangle) - These triangles have all sides equal.
Properties of a triangle -
1. The sum of all three angles of a triangle is equal to 180 degrees.
2. Sum of any two sides is always more than the length of third side.
Pythagorean Theorem / Pythagorous Theorem for Triangles-
a2 + b2 = c2