1. Final Exam Review Answers on last slide

2. 1.What is the geometric mean of 15 and 8?

3. 2. Solve for x.

5. 4. A 40-foot slide makes a 65 o angle with the ground. How high off the ground is the top of the slide? A. 36.3 ft B. 16.9 ft C. 44.1 ft D. 85.8 ft

6. 5. Let 9, 5, and 10 represent the side lengths of a triangle. Classify the triangle. A.Obtuse B. Acute C. Right D. Can’t actually form a triangle

7. 6. In a circle, a chord is 5 cm from the center of the circle. If the radius is 13 cm, how long is the chord?

9. 8. Solve for x and y. A. x = 95 o B. x = 100 o C. x = 80 o D. x = 85 o y = 80 o y = 85 o y = 95 o y = 100 o

11. 10. Solve for x. A. 275 B. 5 C. 95 D. 120

12. 11. A regular decagon has an apothem of 5 in. Find its area. A. 81.2 in 2 B. 40.6 in 2 C. 162.5 in 2 D. 181.6 in 2

13. 12. Solve for x. A. 46 o B. 67 o C. 22 o D. 23 o

15. 14. Find the area of the shaded region. A.75 π B. 100 - 25π C. 25π – 100 D. 25 - 25π

16. 15. Two similar figures have areas of 25 ft 2 and 36 ft 2. If the smaller one has a perimeter of 7.5 ft, what is the perimeter of the larger one? A. 9 ft B. 10.8 ft C. 6.25 ft D. 15.552 ft

17. 16. Solve for x.

18. 17. Find the perimeter of the trapezoid.

19. 18.Which equation would you use to solve for x?

20. ANSWER KEY 1.B 2. A 3. C 4. A 5. B 6. B 7. D 8. C 9. A 10. C 11. A 12. D 13. D 14. B 15. A 16. A 17. C 18. B