Properties of a Triangle - Formulas, Theorems, Examples

Properties of a triangle help us to identify a triangle from a given set of figures easily and quickly. Learn about angle sum property, triangle inequality property, exterior angle theorem, etc with solved examples and practice questions.

Geometry Formulas Triangles

Geometry Formulas Triangles

Isosceles Triangle Theorem - Converse, Proof, Examples

Exterior Angle Theorem: Statement, Proof & Applications

Angle Bisector Theorem - Proof, Converse, Formula, Examples

Isosceles Triangle: Definition, Properties, Types, Formulas

Properties of Right-Angle Triangle and How to Apply Pythagorean Theorem

Using the Triangle Midsegment Theorem, Geometry

45-45-90 Triangle - Rules, Formula & Theorem

Median of a Triangle, Definition, Theorem & Formula - Lesson