UNIT 2 EXAM PART A REVIEW 9 22

UNIT 2 EXAM PART A REVIEW 9 -22 -2014 10 -17 -2018

Warm-up Identify the sides or angles that need to be congruent in order to make the given triangles congruent by AAS.

5. 1 What Makes Triangles Congruent? Write in your notes: “Two triangles are congruent if and only if (iff) their corresponding parts are congruent. ”

5. 1 What Makes Triangles Congruent?

5. 2 ASA Triangle Congruence

5. 2 ASA Triangle Congruence

5. 3 SAS Triangle Congruence

5. 3 SAS Triangle Congruence PROOF Statements Reasons 1. Given S 2. Def. Perpendicular Bisector A 3. ∠ADB ≅ ∠CDB S 3. Right Angles Thm. (linear pair) 5. △BDA ≅ △BDC 4. Reflexive Property of ≅ 5. SAS

5. 4 SSS Triangle Congruence

5. 4 SSS Triangle Congruence Given ΔABC ≅ ΔJKL, find the missing side length.

Warm-up, 10/18 Complete the proof.

6. 2 AAS Triangle Congruence

6. 3 HL Triangle Congruence

6. 3 HL Triangle Congruency Show these two triangles are congruent by using the HL Triangle Congruency.

Now, please complete the Unit 2 A Review. Solutions are posted in class on the side boards, and will be posted on my webpage this afternoon. Remember, use the rest of your half-sheet to include any problems from the review that you are struggling with, and bring the review tomorrow!