1. Complementary angles ______. A. are both obtuse angles B. have a sum of 90° C. have a sum of 180° D. have a sum between 90° and 180° Hint 2. Which of the following has two lines of symmetry? A. Q B. X C. D D. M Hint 3. RST and UVW are congruent. Find the value of y. A. 60 B. 45 C. 40 D. 15 Hint 4. The vertices of are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. A. A'(-1, 1), B'(-3, -1), C'(1, 0) B. A'(4, 2), B'(2, 0), C'(6, 1) C. A'(4, -4), B'(2, -6), C'(6, -5) D. A'(0, 2), B'(-2, 0), C'(2, 1) Hint 5. Reflect the point (6, -5) over the x-axis. A. (-6, -5) B. (6, -5) C. (5, -6) D. (6, 5) Hint 6. Which letter does not have rotational symmetry? A. N B. X C. Q D. Z Hint 7. After a translation to parallelogram WXYZ, W(4, 2) became W'(-2, -5). Write an ordered pair for the translation. A. (2, -3) B. (-6, -7) C. (6, 7) D. (-9, -4) Hint 8. Triangle ABC with vertices A(-10, -5), B(-6, -2) and C(-6, -7) is reflected. Find C' if A' is (-10, 5) and B' is (-6, 2). A. (-6, 7) B. (6, 7) C. (-6, -8) D. (6, -7) Hint 9. Classify the angle pair using all names that apply. A. adjacent, complementary, congruent B. adjacent, supplementary, congruent C. vertical, complementary, congruent D. vertical, supplementary, congruent Hint 10. Determine which pair of polygons is not congruent. A. B. C. D. Hint 11. What is (10 − 2)180? A. 180 B. 1800 C. 1440 D. 360 Hint 12. What is the value of x in the triangle? A. 42 B. 180 C. 90 D. 138 Hint 13. Using the information given in the table, what is the decimal equivalent for 8/9? A. 0.8 B. 0.1 C. D. 8 Hint 14. Which number is next in the sequence?123, 128, 125, 130, 127, 132, 129, … A. 134 B. 135 C. 132 D. 126 Hint 15. What is the sum of the measures of a 25-gon? A. 360° B. 4500° C. 4140° D. 180° Hint 16. What is the sum of the measures of a 19-gon? A. 360° B. 3060° C. 180° D. 3420° Hint