2. Angles All about Sides Special Triangles Trig Ratios Solving Triangles 10 20 30 40 50

3. Question 1 - 10 Find Cos(42 o ) (round to the nearest four places)

4. Answer 1 – 10.7431

5. Question 1 - 20 Find angle A Cos(A)=1/2

6. Answer 1 – 20 60 degrees

7. Question 1 - 30 Find angle A Tan(A)=1

8. Answer 1 – 30 45 degrees

9. Question 1 - 40 Solve for X X 8 15

10. Answer 1 – 40 58 degrees

11. Question 1 - 50 Solve for X X 55 89

12. Answer 1 – 50 38 degrees

13. Question 2 - 10 Tell whether the number represent and acute obtuse, right or no triangle 2, 20, 22

14. Answer 2 – 10 No triangle 2+20=22

15. Question 2 - 20 Tell whether the number represent and acute obtuse, right or no triangle 4, 11, 13

16. Answer 2 – 20 Obtuse

17. Question 2 - 30 Solve for X (round to 2 decimal places) 51 0 8 X

18. Answer 2 – 30 Cos(51)=8/x 8/Cos(51)= x X=12.71

19. Question 2 - 40 70 0 8 X

20. Answer 2 – 40 X = 21.98

21. Question 2 - 50 Solve for x and Y 63 0 8 X Y0Y0

22. Answer 2 – 50 X=7.13 Y= 27 degrees

23. Question 3 - 10 Solve for X 45 0 8 X

24. Answer 3 – 10 X = 8√2

25. Question 3 - 20 Solve for X 30 0 5 X

26. Answer 3 – 20 X = 10

27. Question 3 - 30 Solve for X and Y 30 0 X Y 6

28. Answer 3 – 30 X = 2√3 Y = 4√3

29. Question 3 - 40 Name the rules in a 45-45-90 when going from a leg to HYP and HYP to leg

30. Answer 3 – 40 Leg HYP = Leg * √2 HYP Leg = HYP / √2

31. Question 3 - 50 Name the Rules in a 30-60-90 when going from the Short Leg to the Long Leg and the HYP and also Back

32. Answer 3 – 50 SL HYP = SL * 2 HYP SL = HYP / 2 SL LL = SL * √3 LL SL = LL / √3

33. Question 4 - 10 Find the Tangent ratio of the angle 8 15 7

34. Answer 4 – 10 Tan = 8/7

35. Question 4 - 20 Find the Cosine and Sine ratios of the angle 8 15 7

36. Answer 4 – 20 Cos = 7/15 Sin = 8/15

37. Question 4 - 30 Define all Trig Ratios

38. Answer 4 – 30 Sine = Opposite/Hyp Cosine=Adjacent/Hyp Tangent=Opposite/Hyp

39. Question 4 - 40 Solve Lauren want to measure the height of a building. She stands 150ft from the base of the building. She measure the angle of elevation from a point on the ground to the top of the building to be 50 0. Estimate the height of the building.

40. Answer 4 – 40 Height = 178.76ft

41. Question 4 - 50 A 7 18 Find all three trig ratios of angle A 10

42. Answer 4 – 50 Sin(A)= 7/18 Cos(A)= 10/18 = 5/9 Tan(A)= 7/10

43. Question 5 - 10 The perimeter of a square is 24in. Find the length of the diagonal.

44. Answer 5 – 10 6√2in

45. Question 5 - 20 Solve for the missing angle (round to the nearst degree) A 12 5

46. Answer 5 – 20 Angle A = 22.6 degrees

47. Question 5 - 30 13 Y Solve the triangle X Y 10 Z

48. Answer 5 – 30 Z= 13 X= 67.38 degrees Y=45.24 degrees

49. Question 5 - 40 Solve for all parts of the triangle A 15 5 B X

50. Answer 5 – 40 A= 70.53 degrees B= 19.47 degrees X=10√2

51. Question 5 - 50 Solve for all parts of the triangle. Round decimals to the nearest tenth. 15 Y 25 0 X

52. Answer 5 – 50 X =13.59 Y = 6.34