Our
Triangles in High School Geometry (Part 1) Quick Reference Guide states all the definitions, postulates, and theorems found in a typical high school Geometry book that are associated with the following concepts:
- Classifying triangles
- The Sum of the Measures of the Angles in a Triangle Theorem and related concepts
- Congruent triangles
- Isosceles and equilateral triangles
- Inequalities in triangles
- The Pythagorean Theorem and related concepts
- Areas of triangles
Each definition, postulate, and theorem is accompanied by an example that shows exactly what the definition, postulate, or theorem tells you.
