AD ≅ DB c. ∠ACD ≅ ∠CDB b. (All measurements are in feet.) after the transformation T4;2 D 1 2. (4) ∠AED! Using only the information given in the diagrams, which pair of triangles can not be proven congruent? Which pair of sides are congruent based on the definition of isosceles triangles? Congruent corresponding parts are labeled in each pair. B C. C D. D 4. The ladders shown below are standing against the wall at the same angle. How high up the wall does the longer ladder go? Triangle A B C has edge A C measuring 4 units, math. B C. C D. D 14. 2.) 25. Are Skye and Margaret both correct? Copy the congruent triangles shown at the right. On an exam, a student says that ¤ABC£ ¤ADE because the corresponding angles of the triangles (4) ∠AED ∠CFB 12 In the diagram below, four pairs of triangles are shown. In the diagram below, four pairs of triangles are shown. To prove that ΔDEF ≅ ΔDGF by SSS, what additional information is needed? Then label the vertices of your triangles so that ¤JKL£ ¤RST. Congruent corresponding parts are labeled in each pair. B C. C D. D page 3 Triangle Proofs Review In the diagram below, four pairs of triangles are shown. A C B D Using only the information given in the diagrams, which pair of triangles can not be proven congruent? Congruent corresponding parts are labeled in each pair. In the diagram, BC ≅ EF and ∠A and ∠D are right angles. AM and CM BM and BM AB and CB. A B. ladders 11.25 ft 12.5 ft 14 ft 14 ft 2. A C B D Using only the information given in the diagrams, which pair of triangles can not be proven congruent? Triangle DEF and triangle DGF are shown in the diagram. A C B D Using only the information given in the diagrams, which pair of triangles can not be proven congruent? A B. 2 The diagram below shows a pair of congruent triangles, ... 6 In ABC shown below with ADC, AEB, CFE, ... 13 Skye says that the two triangles below are congruent. Congruent corresponding parts are labeled in each pair. Using only the information given in the diagrams, which pair of triangles can not be proven congruent? Using only the information given in the diagrams, which pair of triangles can not be proven congruent? B C. C D. D 25. page 10 IB MYP Unit 6 Review Congruent corresponding parts are labeled in each pair. Congruent corresponding parts are labeled in each pair. 4) DCE ≅ BCE 8 In the diagram below, four pairs of triangles are shown. Using only the information given in the diagrams, which pair of triangles can notbe proven congruent? (1) A (3) C (2) B (4) D AC BD A B C F D E Geometry – January ’14 [5] [OVER] Two triangles are shown. As shown in the diagram below, CD is a median of ABC. In the diagram below, four pairs of triangles are shown. Which congruency theorem is described below? Identify all pairs of congruent corresponding anglesand corresponding sides. Explain why. a. A B. ∠CFB 12 In the diagram below, four pairs of triangles are shown. (1) A (3) C (2) B (4) D AC BD A B C F D E Geometry – January ’14 [5] [OVER] A. A C B D Using only the information given in the diagrams, which pair of triangles can not be proven congruent? A b. In the diagram below, four pairs of triangles are shown. A. Using only the information given in the diagrams, which pair of triangles can not be proven congruent? 33 In the diagram below of right triangle ABC, altitude BD is drawn to hypotenuse AC, AC =16, and CD =7. Congruent corresponding parts are labeled in each pair. Congruent corresponding parts are labeled in each pair. A B. In the diagram below, four pairs of triangles are shown. DE ≅ DG. A. a. 3. 13. Margaret says that the two triangles are similar. Congruent corresponding parts are labeled in each pair. ____ 15. B c. C d. D ____ 16. What is the length of BD? 1) A 2) B 3) C 4) D ERROR ANALYSIS Use the information and the diagram below. The image of ^ABC after the transformation ryaxis is ^A0B0C0. What is the correct way to classify the figures shown below? In the diagram below, four pairs of triangles are shown. A. (1) A (2) B (3) C (4) D
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