1. Fourth Six Weeks’ Test Review

2. Find the Geometric mean between 4 and 25. =10

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

4. 4 25 x = 10 Find x

5. What equation can be formed? g t m

6. 6 8 x =10 Find x

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

8. 20 16 x =12 Find x

9. 12 18 x 21.63 Find x

10. 15 24 x Find x

11. 15 24 X= 9 12

12. 45 o x =12 Find x

13. 8 8 x

14. x 10

15. 45 o -45 o -90 o 5 5 5

17. 30 o -60 o -90 o

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

20. 10 x

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

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

23. Complete the given Ratio:

31. Use your Calculator to find…

33. Set up a correct ratio to find x:

37. Solve for x:

45. Fill in the blank….

46. What term describes only the blue polygons? Convex

47. Regular What term describes only the blue polygons?

48. What is the relationship between an interior and exterior angle of a polygon ? Supplementary

49. For polygons to “fit” around a vertex, the sum of their interior angles must be 360

50. A regular n-gon has lines of symmetry and rotational of 360/n degrees n

51. Find the sum of the interior angles of a decagon: 1440

52. Find the measure of 1 interior angle of a regular 18-gon 160

53. Find the sum of the exterior angles of a 55-gon 360

54. Find the measure of one exterior angle of a regular 24-gon 15

55. The sum of the interior angles of what polygon is 4500? 27-gon

56. The measure of 1 interior angle of what regular polygon is 170? 36-gon

57. The measure of 1 exterior angle of what regular polygon is 8? 45-gon

58. A regular octagon has 8 lines of symmetry and what degree of rotation? 45

59. The sum of its interior angles is 4 times the sum of its exterior angles. decagon

60. ? What regular polygon is missing Another hexagon

61. What regular polygon is missing ? Another Octagon

62. What’s the symmetry of a regular decagon? 10 lines, 36 degr. rotational

63. Find x (Given a regular octagon) x X = 90 degrees

64. What 3 regular polygons will tessellate the plane? (name 1)

65. Equilateral triangles

66. Squares

67. Regular Hexagons

73. Is the Quadrilateral a parallelogram? YES

74. Is the Quadrilateral a parallelogram? YES

75. Is the Quadrilateral a parallelogram? NO

76. Is the Quadrilateral a parallelogram? NO

77. Is the Quadrilateral a parallelogram? YES

78. Is the Quadrilateral a parallelogram? YES

79. Is the Quadrilateral a parallelogram? NO

80. Is the Quadrilateral a parallelogram? NO

81. Is the Quadrilateral a parallelogram? YES

82. Describe the symmetry of an average parallelogram...

83. - No lines - 180 o rotational

84. Complete the Theorem….

85. The diagonals of a parallelogram____ ________. BISECT EACH OTHER

86. Opposite sides of a parallelogram are__________. congruent. (They are also parallel, but that is in the definition, not a theorem.)

87. If the opposite angles of a quadrilateral are congruent, then__________

88. …then the quadrilateral is a parallelogram.

89. Consecutive angles of a parallelogram are ____________. Supplementary.

90. Always, Sometimes, or Never...

91. The diagonals of a parallelogram _________ bisect each other. Always

92. A quadrilateral is __________ a parallelogram, Sometimes

93. The End