1. Classify A. right scalene B. acute scalene C. acute isosceles D. obtuse equilateral Hint 2. What is in ? A. 41 B. 90 C. 49 D. 13 Hint 3. Determine whether the triangles are similar. Explain why or why not. A. no; y = 65 B. yes; x = 85 C. yes; y = 55 D. no; x = 85 Hint 4. Find . A. 13 B. 12 C. 11 D. 10 Hint 5. If a mountain climber is standing on the peak of a mountain 15,600 above the ground, about how far can the mountain climber see? A. 138.0 mi B. 113.1 mi C. 152.4 mi D. 127.9 mi Hint 6. What is the length of the hypotenuse in ? Round to the nearest tenth. A. 12.1 m B. 10.2 m C. 6.5 m D. 6.0 m Hint 7. Name all sets of numbers to which 33 is a member. A. rational, integer B. rational, integer, whole, natural C. rational, whole, natural D. irrational Hint 8. Order and from least to greatest. A. B. C. D. Hint 9. Classify the given angle. A. acute B. straight C. obtuse D. right Hint 10. Classify the given angle. A. straight B. obtuse C. right D. acute Hint 11. A 25-foot ladder is positioned against a building so that the base of the ladder is 7 feet from the building. How high does the ladder reach? A. 25 feet B. 19 feet C. 8 feet D. 24 feet Hint 12. The measures of three sides of a triangle are 12 meters, 16 meters, and 20 meters. Determine whether the triangle is a right triangle. Explain. A. No, because this triangle is scalene. B. No, because the converse of the Pythagorean Theorem is false. C. Yes, the converse of the Pythagorean Theorem is true. D. It is not possible to determine if the triangle is a right triangle. Hint 13. Find the perimeter of to the nearest tenth. A. 18.5 units B. 8.1 units C. 14.6 units D. 17.3 units Hint 14. Find the coordinates of the midpoint of A. (2, 0) B. (0.5, -0.5) C. (1, -1) D. (-4.5, -1.5) Hint 15. A 6-foot tall person casts a 2.5-foot long shadow at the same time that a building casts a 40-foot long shadow. How tall is the building? A. 600 feet B. 104 feet C. 16 feet D. 96 feet Hint 16. Find sin C to the nearest ten thousandths. A. 0.5 B. 0.894 C. 0.447 D. 2.2371 Hint