Triangles - Definition, Properties, Formula

A triangle is a closed shape with 3 angles, 3 sides, and 3 vertices. A triangle with three vertices says P, Q, and R is represented as △PQR. It is also termed a three-sided polygon or trigon. Learn more about triangles, types of triangles, formulas of triangles with Cuemath.

Right Angled Triangle (Definition, Properties, Formulas)

Right Angle Triangle: Definition, Properties and Formula

Properties of a Triangle - Formulas, Theorems, Examples

Isosceles Triangle- Definition, Properties, Angles, Formula & Types

Triangle: Definition, Parts, Properties, Types, Formulas

What is Geometry? - Geometry Definition, Formulas and Shapes

Isosceles Triangle - Definition, Properties, Angles, Area, Formula

Rectangle Definition, Properties, Area, Formula, Examples

Circle Formulas -What is a Circle and its properties? (Definition