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7.2 Two Triangle Proof Theorems

7.2 Two Triangle Proof Theorems. Objectives: Know and use no-choice theorem. Theorem 53 (No Choice Thm ): If two angles of one triangle are congruent to two angles of a second triangle, then the third angles are congruent. B. Y. X. Z. A. C. If  A   X and  B   Y, then.

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7.2 Two Triangle Proof Theorems

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  1. 7.2 Two Triangle Proof Theorems • Objectives: • Know and use no-choice theorem

  2. Theorem 53 (No Choice Thm): If two angles of one triangle are congruent to two angles of a second triangle, then the third angles are congruent. B Y X Z A C If AX andBY, then CZ.

  3. How can we prove triangles congruent? SSS SAS ASA AAS HL 7.2

  4. B D P C m Example 1: Given: lie in plane m ÐC@ÐD Prove: ÐPBC@ÐPBD

  5. M K O J G H Example 2: Given: GJKM is a rhombus Prove:

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