In this Early Edge video lesson, you'll learn more about Triangles: Congruence, so you can be successful when you take on highschool Math & Geometry.
The Princeton Review

In this Early Edge video lesson, you'll learn more about Congruence and Similarity, so you can be successful when you take on highschool Math & Geometry.
Early Edge: Congruence and Similarity

Congruent triangles  Hypotenuse and leg of a right triangle. HL
Math Open Reference

Congruent triangles  Why AAA does not work
Math Open Reference

This provides 4 to 5 congruent triangle proofs for more complex situations.
Analyze Math

In this Early Edge video lesson, you'll learn more about Triangles: Perimeter and Area, so you can be successful when you take on highschool Math & Geometry.
The Princeton Review

In this Early Edge video lesson, you'll learn more about Complementary and Supplementary Angles, so you can be successful when you take on highschool Math & Geometry.
The Princeton Review

In this Early Edge video lesson, you'll learn more about Types of Angles, so you can be successful when you take on highschool Math & Geometry.
The Princeton Review

Congruent triangles  Two angles and included side. ASA
Math Open Reference

Congruent triangles  Two angles and an opposite side. AAS
Math Open Reference
