Unit 4: Congruent Triangles

The study of congruent triangles in geometry offers a captivating exploration of the properties and relationships between shapes. Congruent triangles, having equal side lengths and angle measures, serve as a cornerstone for understanding and proving geometric theorems. Our website examines the criteria for congruence, such as Side-Side-Side (SSS) and Angle-Side-Angle (ASA), and their applications in fields like engineering, architecture, and design. By mastering congruent triangles, students unlock a deeper comprehension of geometry and learn to leverage these principles to solve real-world problems, enhancing spatial awareness and creative potential.

Lessons

4.1 – Congruent Figures & Triangles

4.2 – Congruent Triangles Proofs

4.3 – The Isosceles Triangle Theorem

4.4 – AAS & HL Theorems

4.5 – Using More Than One Pair of Congruent Triangles

4.6 – Regents Proofs Review

4.7 – Median, Altitude, Perpendicular Bisector

4.8 – Perpendicular & Angle Bisector Theorem