1. Review of Right Triangles

2. Find the Geometric mean between 4 and 25.

3. NM=9 MK=4 Find JM. X=6

4. 4 25 x X = 10

5. 6 4 x X = 9

6. What equation can be formed? g t m

7. 6 8 x X = 10

8. 12 18 x

9. 20 16 x

10. Find the leg of the right triangle: 15 17 x X=8

11. 15 24 x 12 X= 9

12. What kind of triangle has sides 41, 9 and 40? Right Triangle

13. What kind of triangle has sides of 8, 18 and 12? Obtuse Triangle

14. What kind of triangle has sides of 9, 7 and 20? No Triangle Possible

15. 45 o x =12

16. x 10

17. 30 o 20 x y

18. 10 x

19. Find x 8 8 x

20. An equilateral triangle has a side of 12. What is its altitude?

21. Other REVIEW TOPICS 4 th 6 weeks

22. What is a quadrilateral with all sides congruent called? Rhombus

23. What is an equiangular quadrilateral called? Rectangle

24. A regular Quadrilateral is called what? Square

25. A quadrilateral with both pairs of opposite sides parallel is called what? Parallelogram

26. A quadrilateral with exactly one pair of opposite sides parallel is called what? Trapezoid

27. Find x in rectangle 25 o x X = 50 o

28. Find x in rectangle 25 o x X = 25 o

29. Find x in rectangle 25 o x X = 65 o

30. Find x in rectangle 25 o x X = 130 o

31. Find x in rectangle 25 o x X = 50 o

32. Find x in the Rhombus 25 o x X = 90 o

33. Find x in the Rhombus 25 o x X = 25 o

34. Find x in the Rhombus 25 o x X = 65 o

35. Find x (Isos. Trap.) 6 14 8 65 o x X = 65 o

36. Find x (Isos. Trap.) 6 14 8 65 o x X = 115 o

37. Find x in Trapezoid 6 14 8 65 o x X = 10

38. x 16 Find x, the length of the midsegment X = 8

39. 8 midsegments x y 7 20 Find x, y, z z

40. 8 midsegments x y 7 20 x=8, y=10, z=14 x=8, y=10, z=14 z

47. 8 10 7.5 x 12 y w Find w, x, y, z in these similar trapezoids z

48. 8 10 7.5 x 12 y w z

49. 8 10 7.5 x 12 y w W=60 o z X=9.375 Y=9.6 Z=120 o

50. 4 7 10 17.5 Similar? Yes by SAS~ Yes by SAS~

51. Similar? 6 5 8 8.4 7 11.2 Yes by SSS~

52. Similar? Yes by AA

53. 62 o 48 o 50 o Similar? No! Corresponding angles are not congruent. No! Corresponding angles are not congruent. 68 o 70 o

54. 8 4 7 x Find x

55. 4 6 9 x

56. Are the triangles similar? If so, by what method? Yes, By AA Postulate

57. Find x Given similar triangles X=77