1. If R is the midpoint of , SR=3x+8,and RT =5x-6, find the measure of . A. 29 B. 13 C. 32 D. 14 Hint 2. Find the measure of if and A. 56 B. 49 C. 42 D. 35 Hint 3. Refer to the figure. If is isosceles, which of the following can be used to prove A. AAS Theorem B. ASA Postulate C. SAS Postulate D. SSS Postulate Hint 4. The sides of ABCD are proportional to the corresponding sides of EFGH. If AD = 5, DC = 6, and EH = 6, then HG =_________. A. 6 B. 5.8 C. 5 D. 7.2 Hint 5. What is the geometric mean between and 12? A. B. C. D. Hint 6. In the triangle, sin A = ____. A. B. C. 5 D. Hint 7. Find the value of y to the nearest tenth. A. 31.0 B. 36.9 C. 53.1 D. 59.0 Hint 8. In , j = 10, k = 7, and = 5. What is to the nearest tenth? A. 40.5 B. 111.8 C. 139.5 D. 27.7 Hint 9. Find the radius of a circle with circumference . A. 16 B. 4 C. 8 D. Hint 10. A. 13 B. 7 C. 20 D. 22 Hint 11. Find an equation of the circle passing through A(2, 4), B(-2, 6), and O(0,0). A. x2 + y2 = 40 B. (x - 3)2 + (y + 6)2 = 32 C. (x - 2)2 + (y - 4)2 = 20 D. (x + 1)2 + (y - 3)2 = 10 Hint 12. Find the area of an equilateral triangle whose perimeter is 30 inches. A. 25 in2 B. 50 in2 C. in2 D. in2 Hint 13. Which statement is true for the figure below? A. is a rotation image of B. is a translation image of C. is a translation image of D. is a rotation image of Hint 14. In the figure, ABCD is a square and AC = 22. Find the circumference of the circle to the nearest tenth. A. 69.1 B. 34.6 C. 24.4 D. 48.9 Hint 15. Find the value of x. A. 4 B. 5 C. 3 D. 2 Hint 16. Which is an equation of the circle with center at (11, -19) and diameter 12? A. (x - 11) 2 + (y + 19) 2 = 36 B. (x + 11) 2 + (y - 19) 2 = 36 C. (x - 11) 2 + (y + 19) 2 = 144 D. (x + 11) 2 + (y - 19) 2.= 144 Hint 17. The __________ is the point of concurrency of the angle bisectors of a triangle. A. circumcenter B. centroid C. orthocenter D. incenter Hint 18. What is another name for an indirect proof? A. paragraph proof B. proof by assumption C. proof by contradiction D. default proof Hint 19. The type of reasoning that uses a number of examples to arrive at a conclusion is __________ . A. contradictory reasoning B. exemplary reasoning C. inductive reasoning D. deductive reasoning Hint 20. Find s. A. 2 B. 10 C. 5 D. 10 Hint