GEOMETRY 8-4 Using Congruent Triangles in Proof Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.
Holt McDougal Geometry Triangle Congruence: CPCTC Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz Holt McDougal.
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.
Sa1 08-direct-and-bending-stress
Geometry 201 unit 4.4
Holt McDougal Geometry 4-7 Triangle Congruence: CPCTC 4-7 Triangle Congruence: CPCTC Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation.
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.
Holt Geometry 4-6 Triangle Congruence: CPCTC 4-6 Triangle Congruence: CPCTC Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson.
Chapter 4 Section 7 : Triangle Congruence: CPCTC.
4-6
CPCTC
CPCTC Be able to use CPCTC to find unknowns in congruent triangles! Are these triangles congruent? By which postulate/theorem? _____ _____ J L K N M.
