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4-4 Using Corresponding Parts of Congruent Triangles

4-4 Using Corresponding Parts of Congruent Triangles. Objective: To use congruence and corresponding parts of congruent triangles to prove that parts of two triangles are congruent. What do we know about triangles that are congruent?.

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4-4 Using Corresponding Parts of Congruent Triangles

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  1. 4-4 Using Corresponding Parts of Congruent Triangles Objective: To use congruence and corresponding parts of congruent triangles to prove that parts of two triangles are congruent.

  2. What do we know about triangles that are congruent?

  3. If you know that two triangles are congruent, then you know that every pair of their corresponding parts is also congruent. • CPCTC !!!!

  4. Proving parts of triangles congruentExample 1: • Given: KBC = ACB, K = A • Prove: KB = AC K C B A

  5. Proving parts of triangles congruentExample 2: R • Given: RS = UT , RT = US • Prove: T = S S T U

  6. Proving parts of triangles congruentExample 3: • Given: RS = VS , RT = VU, R and V are both right angles • Prove: T = U S R V T U

  7. Homework Section 4-4 • Pg 246 # 6-12 evens, 16 & 20

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