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Aim:

Aim:. C. B. (. ). A. D. How do we prove corresponding segments and angles of triangles congruent?. E. Ans:. Ans:. Do Now:. Ans: S.A.S. Postulate. CPCTC:. From the definition of congruent triangles:. C orresponding P arts of C ongruent T riangles are C ongruent. B. Ex: Given:.

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Aim:

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  1. Aim: C B ( ) A D How do we prove corresponding segments and angles of triangles congruent? E Ans: Ans: Do Now: Ans: S.A.S. Postulate Geometry Lesson: Proving Segments and Angles of Triangles Congruent

  2. CPCTC: From the definition of congruent triangles: Corresponding Parts of Congruent Triangles are Congruent. B Ex: Given: Prove: A C D Given Given Def. angle bisector Reflexive Postulate A.S.A. Postulate C.P.C.T.C. C.P.C.T.C.

  3. T L 1) Given: Prove: Z N X 2) Given: R V Prove: Q F D S 3) Given: 1 3 2 4 Prove: N T Q Proofs w/CPCTC Geometry Lesson: Proving Segments and Angles of Triangles Congruent

  4. D 4) Given: Prove: T R N D B 5) Given: R Prove: E Z S 6) Given: Q N B Prove: T Proofs w/CPCTC Geometry Lesson: Proving Segments and Angles of Triangles Congruent

  5. 3) Given: Prove: F D S 1 3 2 4 N T Q Solution #3 Given Def. Perpendicular Given Def. line bisector S.A.S. Postulate C.P.C.T.C Geometry Lesson: Proving Segments and Angles of Triangles Congruent

  6. D 4) Given: Prove: T R N Solution #4 Given Reflexive postulate S.S.S. postulate C.P.C.T.C. Def. angle bisector Geometry Lesson: Proving Segments and Angles of Triangles Congruent

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