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Name _______________________________________ Date ___________________ Class __________________ Triangle Congruence Section A Quiz Choose the best answer. 1. The polygon Q(3, 2), R(6, 5), S(6, 2) undergoes the transformation: (x, y) (4x, 4y). Name the coordinates of the image points. A Q'(3, 2), R'(6, 5), S'(6, 2) B Q'(7, 6), R'(10, 9), S'(10, 6) 7. What is the value of x if the acute angles of a right triangle measure 8x and 12x? A 4.5 C 9 B 5 D 10 8. In the figure, PQR UVW. What is mR? C Q'(12, 8), R'(24, 20), S'(24, 8) D Q'(–1, –2), R'(2, 1), S'(2, –2) 2. The angles of a triangle measure 4, 86, and 90. Which classification of the triangle is correct? F acute H obtuse G equiangular J right 3. Which could be the angle measures of an acute triangle? A 32-56-92 C 34-56-90 B 33-58-91 D 35-56-89 4. What is the length of the longest side of the triangle? F 8.5 H 19 G 26 J 40 F 42 H 88 G 72 J 92 9. If KMQ WJR, which segment is congruent to RW ? A KM C QK B MQ D JW 10. Which angle is congruent to Z if ZLV SPN ? F V H N G S J P 11. If ABC KJC, which statement is NOT necessarily true? 5. What is mW ? A 35 C 70 A ACB KCJ C JC BC B 40.3 D 81 B J B 6. Two angles of a triangle measure 22 and 53. What is the measure of the third angle? F 15 H 75 G 25 J 105 D JK BC 12. Suppose S N, J I, A T, JS IN, JA IT , and AS TN. Which is true? F JSA ITN H JSA INT G JSA NTI J JSA TNI Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date ___________________ Class __________________ Answers Lessons 4-1 Through 4-4 1. 2. 3. 4. 5. 6. C J D J D J 7. 8. 9. 10. 11. 12. A G C G D H Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date ___________________ Class __________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry