1. Refer to the figure. If G is the midpoint of , which conjecture is true? A. intersects at exactly two points. B. is exactly 5 feet long. C. None of the statements are true. D. Hint 2. Which of the following is not one of the five essential parts needed to construct a good proof? A. Develop a system of inductive reasoning. B. List the given information. C. State the theorem to be proved. D. If possible, draw a diagram to illustrate the given information. Hint 3. If and form a linear pair and find A. 86 B. 106 C. 76 D. 96 Hint 4. Find A. 62 B. 56 C. 50 D. 68 Hint 5. The first and last numbers in any row of Pascal's triangle are always_______. A. 2 B. even C. 1 D. 0 Hint 6. What is the geometric mean between and 12? A. B. C. D. Hint 7. Find the value of y. A. 97 B. 7 C. 87 D. 83 Hint 8. In circle H, and GI = 15. Find HK and A. 7.5; 180 B. 15; 180 C. 7.5; 90 D. 15; 90 Hint 9. One of the angles of a rhombus measures 60° and the shorter diagonal has a length of 12 centimeters. Find the exact area of the rhombus. A. 48 cm2 B. cm2 C. 144 cm2 D. 72 cm2 Hint 10. Which figure has only one line of symmetry? A. B. C. D. Hint 11. Two lines intersect at an angle of 62°. What is the angle of rotation? A. 248° B. 31° C. 62° D. 124° Hint 12. What is a valid conclusion to the following hypothesis?If there are two points... A. There are an infinite number of lines containing both points. B. There are no lines containing both points. C. There is one line containing both points. D. There are two lines containing both points. Hint 13. In which picture is an angle bisector? A. B. C. D. Hint 14. Determine how to classify ABCD most precisely for A(-3, -2), B(-2, 2), C(4, ), and D(3, -). A. parallelogram B. rectangle C. square D. rhombus Hint 15. An isosceles trapezoid has vertices at (-1, 5), (2, 2), (0, -4), and (-7, 3). Find the measure of each diagonal. A. B. C. 8 D. 10 Hint 16. Which of these numbers will never appear in Pascal's Triangle? A. 5 B. 0 C. 1 D. 126 Hint 17. A. Not enough information is given. B. 45 C. 7.2 D. 135 Hint 18. A. 23 B. 32 C. 11.5 D. 46 Hint 19. If two lines intersect so that the angle of rotation equals 98°, what is the angle formed by the intersecting lines? A. 196° B. 49° C. 82° D. 98° Hint 20. Determine the direction of = to the nearest degree. A. 74° B. 276° C. 344° D. 16° Hint