Unit 5 · Triangle Congruence and Proof
Unit 5 — Triangle Congruence and Proof
Master the five triangle congruence shortcuts (SSS, SAS, ASA, AAS, HL), CPCTC, and write complete two-column proofs — the capstone of Geometry Phase 1.
11 lessons10 learning objectives
Learning Objectives
Goal 1State the definition of congruent triangles.
Goal 2State the SSS Congruence Postulate.
Goal 3State the SAS Congruence Postulate.
Goal 4State the ASA Congruence Postulate and AAS Congruence Theorem.
Goal 5State the HL Congruence Theorem and its conditions.
Goal 6Identify which congruence shortcut applies to given information.
Goal 7State what CPCTC means and when it can be used.
Goal 8Plan a triangle congruence proof by analyzing the diagram.
Goal 9Identify overlapping triangles within a figure.
Goal 10Place a triangle strategically on the coordinate plane.
Lessons