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Aim:

Aim:. D. P. A. B. R. K. L. M. How do we use two pairs of congruent triangles in proofs?. Do Now:. D. P. B. A. R. K. L. M. Ex: Given. Prove:. Proofs using pairs of triangles:. 1) Prove one pair of triangles congruent using the given information.

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Aim:

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  1. Aim: D P A B R K L M How do we use two pairs of congruent triangles in proofs? Do Now: Geometry Lesson: Pairs of Triangles in Proofs

  2. D P B A R K L M Ex: Given Prove: Proofs using pairs of triangles: 1) Prove one pair of triangles congruent using the given information. 2) Use CPCTC and extra Given’s to prove that another set of triangles is congruent. Given CPCTC Given S.A.S. Postulate Geometry Lesson: Pairs of Triangles in Proofs

  3. D Q 3) Given: Prove: X S G F T V B 2) Given: F R P Prove: G E L F 1) Given: P Q R Prove: A Proofs w/ pairs of triangles Geometry Lesson: Pairs of Triangles in Proofs

  4. 4) Given: Prove: N 5) Given: Prove: E F Q J T P Q R A Proofs w/ pairs of triangles Geometry Lesson: Pairs of Triangles in Proofs

  5. D Q X G S F T V Solution #3 Given C.P.C.T.C C.P.C.T.C Given Def. angle bisector Substitution Post. Transitive Post. A.S.A. Post. C.P.C.T.C Geometry Lesson: Pairs of Triangles in Proofs

  6. N E Q J T Solution #5 Given: Prove: Given Reflexive Postulate S.S.S. Postulate C.P.C.T.C Reflexive Postulate S.A.S. Postulate C.P.C.T.C Geometry Lesson: Pairs of Triangles in Proofs

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