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Understand how to write congruency statements and proofs for triangles based on given postulates/theorems. Learn to determine if triangles are congruent.
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2. AC @ ____3. <D @ ____ 4. How is <1 @ <2? B E C A DABC @DEDC D
5. Given DABE @DCBD , DC @ _____ 6. Determine if the triangles are congruent and write the postulate or theorem that supports your decision. B A C D
7-9 Determine if the triangles are congruent and write the postulate or theorem that supports your decision. 7. 9. 9 7 8 8.
10. Given: AC @ DE AB @ EF BC @ FD Prove: DABC @DEFD F B C D E A
STATEMENTS REASONS 10. Complete the proof