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Congruent Triangles Geometry Ms. Hough 4-3 Vocabulary • Two triangles are called congruent triangles if and ONLY if all 3 sides are congruent AND all three angles are congruent. F B A C E G Example 1 1) Name the corresponding congruent angles and sides. Q 2) Name the congruent Triangles R S T V Congruent Triangles are Reflexive, Symmetric and Transitive Reflexive Symmetric Transitive Transformations Even if you move a congruent triangle, it is still congruent to the original triangle. Transformation on a Coordinate Plane The vertices of ΔCDE are C(-5, 7), D(-8,6) and E(-3, 3). The vertices of ΔC’D’E’ are C’(5, 7), D’(8, 6) and E’(3, 3). Verify that ΔCDE ΔC’D’E’. Today… • Class Work: 4-3 Study Guide and Intervention BOTH SIDES ODDS • Homework: Page 220, Problems 1-7