notation - How do I denote a triangle? - Mathematics Stack Exchange
Scalene Triangle - Math Steps, Examples & Questions
Triangle Symbolism & 14 Spiritual Triangular Symbols
Definition of a Triangle
Triangle Symbolism & 14 Spiritual Triangular Symbols
What does an equilateral triangle look like?
Scalene Triangle - Definition, Formulas, Properties & Examples
Scalene Triangle - Math Steps, Examples & Questions
File:Basic triangle.svg - Wikimedia Commons
Triangle PNGs for Free Download
Types of Triangles: Acute and Obtuse