1. Jeopardy (Mr. Jansen)
100
200
300
400
Triangles
500
100
200
300
400
Similar
Polygons
500
100
200
300
400
Volume
500
100
200
300
400
Right
Triangles
500
100
200
300
400
Circles &
Miscellaneous
500
100
200
300
400
Area
500

2. A triangle with sides equal to 6, 10, and 11 will be:
a.) Acute
b.) Obtuse
c.) Right
d.) Impossible

3. a.) Acute

4. It is possible for a triangle to have these side lengths:
True or False:
It is possible for a triangle to have these side lengths:
0.6, 0.5, and 1

5. True

6. Which angle is the largest?
*Not to Scale* 3
X+1 x 2 1
X-1

7. <1 is the largest

8. Always, Sometimes, Never:
A triangle inscribed in a semicircle cannot be a right triangle.

9. Never

10. What is the altitude of an equilateral triangle with a perimeter of 60mm?

11. 10 3

12. True or False:
If the sides of two triangles are not proportional, then the triangles are congruent.

13. False

14. Always, Sometimes, Never: For 2 polygons to be similar,
All angles must be congruent
All sides must be proportional

15. Always

16. What is the scale factor of these two trapezoids?12
100 60
4.5 4 6 9

17. 2:3

18. Susie is estimating the height of her oak tree
Susie is estimating the height of her oak tree. The tree’s shadow is 10 feet long. Her shadow was 1.6 feet long. If Susie is 3.2 feet tall, how tall is the tree?

19. Approximately
20 feet

20. Find x and y: y 4 6 2 3 x

21. x=9
y=6

22. Find the volume and total area of a cube with the edge 2k.

23. Volume: 8k^3
Total Area: 24k^2

24. A cone has a volume of pi cm cubed and height of 6 cm
A cone has a volume of pi cm cubed and height of 6 cm. What is the slant height?

25. 6.02 cm

26. Find the volume of a sphere with an area of 9pi.

27. 9pi 2

28. Find the area of the base, lateral area, and slant height of a regular square pyramid with a base edge of 30 and total area of 1920.

29. Area of base=900
Lateral area=1020
Slant height=17

30. Find the lateral area, total area, and volume of a cone with a radius of 6 cm and a slant height of 10 cm.

31. Lateral area=60pi cm^3
Total area=96pi cm^2
Volume=96pi cm^3

32. Find x: x 4 6

33. x=2 13

34. Find q:
9 3 30 60 45 45 q

35. 9 2

36. What is the geometric mean between 4 and 25?

37. 10

38. Find the area of the shaded region:
*Circle O is inscribed in square ABCD* 8

39. 13.7

40. How long is the altitude to the base of an isosceles triangle if the sides of the triangle are 13, 13, and 10?

41. 12

42. In a circle, a line that contains a chord is:
Center
Diameter
Secant
Chord

43. C. Secant

44. Circles R and S have radii 6 and 2 and are tangent to each other
Circles R and S have radii 6 and 2 and are tangent to each other. What is the length of their common external tangent HJ? H J S R

45. 4squrt(3)

46. Always, Sometimes, Never:
The measure of a minor arc is more than 180 degrees.

47. Never

48. What is the measure of the central angle 1 in circle O?
220 O 1

49. 140 degrees

50. In circle O, the measure of arc AB=100. What is the measure of arc AC?D

51. 130

52. The area of a rhombus is half the product of its diagonals.
True or False:
The area of a rhombus is half the product of its diagonals.

53. True

54. Find the area:
100 inches
5.5 inches

55. 550 inches^2

56. What is the area of a triangle with sides 8, 8, and 6?

57. 3 55

58. PQRS is a parallelogram. What is the ratio of the areas:
Triangles PTO & RSO
Triangles RPS and TPS 8 4 10

59. 4:9
3:2

60. B and E are the respective midpoints of AC and AD
B and E are the respective midpoints of AC and AD. If AB=9, BE=6, and AE=8 find the perimeter of ACD: A B E C D

61. 46