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Lesson 4-4: AAS & HL Postulate 1 Lesson 4-4 Proving Triangles Congruent (AAS, HL)

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Presentation on theme: "Lesson 4-4: AAS & HL Postulate 1 Lesson 4-4 Proving Triangles Congruent (AAS, HL)"— Presentation transcript:

1 Lesson 4-4: AAS & HL Postulate 1 Lesson 4-4 Proving Triangles Congruent (AAS, HL)

2 Lesson 4-4: AAS & HL Postulate 2 Postulates AAS If two angles and a non included side of one triangle are congruent to the corresponding two angles and side of a second triangle, then the two triangles are congruent. HL If the hypotenuse and a leg of one right triangle are congruent to the hypotenuse and corresponding leg of another right triangle, then the triangles are congruent. A BC D E F A BC D E F

3 Lesson 4-4: AAS & HL Postulate 3 Problem 1  StatementsReasons Step 1: Mark the Given Step 2: Mark vertical angles Step 3: Choose a Method (SSS /SAS/ASA/AAS/ HL ) Step 4: List the Parts in the order of the method Step 5: Fill in the reasons Step 6: Is there more? AAS Given Vertical Angle Thm AAS Postulate

4 Lesson 4-4: AAS & HL Postulate 4 Problem 2  Step 1: Mark the Given Step 2: Mark reflexive sides Step 3: Choose a Method (SSS /SAS/ASA/AAS/ HL ) Step 4: List the Parts in the order of the method Step 5: Fill in the reasons Step 6: Is there more? HL Given Reflexive Property HL Postulate StatementsReasons


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