1. In parallelogram ABCD, which pair of angles are not supplementary? A. B, C B. D, C C. D, B D. A, D Hint 2. Find the values of x and y that ensure that the quadrilateral is a parallelogram. A. x = 80, y = 100 B. x = 100, y = 80 C. x = 90, y = 90 D. x = 40, y = 50 Hint 3. Which of the following are the coordinates of the vertices of a rectangle? A. (-2, -3), (0, 0), (-3, -2), (-2, 1) B. (3, 5), (7, 5), (5, 1), (1, 1) C. (2, 0), (1, -3), (-2, -2), (-1, 1) D. (5, 4), (6, 2), (1, 0), (2, 1) Hint 4. Which of the following are the coordinates of the vertices of a square? A. (-1, 3), (2, 0), (3, 3), (-2, 0) B. (-3, 2), (3, 3), (2, -3), (-1, -1) C. (-3, 1), (-1, -3), (3, -1), (1, 3) D. (-4, 2), (4, 2), (4, -2), (-4, -2) Hint 5. Food Some cafeteria trays are shaped like isosceles trapezoids so they will fit around the tables. If the measures of one pair of base angles of a tray are 120, what are the measures of the other pair of base angles? A. 120 B. 240 C. 60 D. 90 Hint 6. The measure of an interior angle of a regular polygon is 160. How many sides does the polygon have? A. 20 B. 16 C. 18 D. 12 Hint 7. Find the value of x. A. 35.25 B. 46.5 C. 12.75 D. 24 Hint 8. OBCD is a square. What are the coordinates of D? A. (a, a) B. (a, 2a) C. (0, a) D. (0, 0) Hint 9. Theo is reorganizing his room. What unit of length should he use to measure the furniture in his room? A. centimeter B. meter C. kilometer D. millimeter Hint 10. In parallelogram ABCD, B ________. A. A and C B. D C. C D. A Hint 11. The coordinates of the vertices of WXYZ are W(-3, 3), X(6, 6), Y(1, 0), and Z(-5, -2).Determine if WXYZ is a parallelogram. Explain. A. No. is not parallel to . B. No. is not parallel to . C. Yes. The two diagonals bisect each other. D. Yes. The two sets of opposite sides are parallel. Hint 12. The coordinates of the vertices of quadrilateral PQRS are P(-1, 3), Q(2, 1), R(0, -4), and S(-3, -2). What name most precisely describes PQRS ? A. parallelogram B. square C. quadrilateral D. rectangle Hint 13. If bisects ABC and ADC, and P is the midpoint of , then ABCD can be most precisely defined as a _______. A. rhombus B. rectangle C. quadrilateral D. square Hint 14. Identify the coordinates of Z. A. (-c, a) B. (c, -b) C. (-c, b) D. (-c, -b) Hint