Warm Up 1. If ∆ABC ∆DEF, then A ? and BC ?. 2. What is the distance between (3, 4) and (–1, 5)? 3. If 1 2, why is a||b? 4. List the 4 theorems/postulates.
Warm Up 1. If ∆ABC ∆DEF, then A ? and BC ?. 2. What is the distance between (3, 4) and (–1, 5)? 3. If 1 2, why is a||b? 4. List methods used.
Chapter 4 Section 7 : Triangle Congruence: CPCTC.
Before Section 3.3 One more way to prove triangles congruent: Angle-Angle-Side (AAS) Postulate If two angles and the nonincluded side of one triangle are.