4-4 Using Corresponding Parts of Congruent Triangles

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Proving Triangles Congruent

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Presentation transcript:

4-4 Using Corresponding Parts of Congruent Triangles To use triangle congruence and corresponding parts of congruent triangles to prove that parts of two triangles are congruent

4-4 Quiz The following questions are to help you determine if you understood today’s lesson. Please record the number you get right on your portfolio sheet. Make sure you understand why you missed each question before starting your homework!!

1. Supply the missing reasons to complete the proof. ASA; Substitution SAS; Corres. Parts of ≌ Δs ≌ AAS; Corres. Parts of ≌ Δs ≌ ASA; Corres. Parts of ≌ Δs ≌ Non-Response Grid

Non-Response Grid

3. Supply the reasons missing from the proof shown below. ASA; Corres. Parts of ≌ Δs ≌ SAS; Reflexive Property of ≌ SSS; Reflexive Property of ≌ SAS; Corres. Parts of ≌ Δs ≌ Non-Response Grid

Non-Response Grid

5. What must always be true before you can use corresponding parts of triangles? Triangles must be congruent by SSS, SAS, ASA, or SSA Triangles must be congruent by SSS, SAS, AAA, or AAS Triangles must be congruent by SSS, SAS, ASA, or AAS Nothing you can use it anywhere Non-Response Grid

Assignment 4-4 p.246-247 #6-18 even