1. Jeopardy! 100 200 300 400 500 Math fun! Vocabulary
Truths about Triangles
Midsegments
Inequalities
Relationships in Triangles
Math fun!
100
200
300
400
500

2. Vocabulary 100
A segment whose endpoints are at the vertex of a triangle and the midpoint of the side opposite is a…

3. Vocabulary 100
MEDIAN

4. Vocabulary 200
A perpendicular segment from a vertex to the line containing the side opposite the vertex is called a(n)…

5. Vocabulary 200
ALTITUDE

6. Vocabulary 300
A point where three lines intersects is called a(n)…

7. Vocabulary 300
POINT OF CONCURRENCY

8. Vocabulary 400
The point of concurrency of the angle bisectors of a triangle is called the…

9. Vocabulary 400
INCENTER

10. Vocabulary 500
The point of concurrency of the altitudes of a triangle is called the…

11. Vocabulary 500
ORTHOCENTER

12. Truths about Triangles 100
The largest angle of a triangle is across from the _________ side.

13. Truths about Triangles 100
The largest angle of a triangle is
across from the _________ side.
longest

14. Truths about Triangles 200
Given points A(1, 3) B(5, 1) and C(4, 4) does point C lie on the perpendicular bisector of segment AB?

15. Truths about Triangles 200NO

16. Truths about Triangles 300
The vertices of a triangle lie at (0, 4) (0, 0) and (-4, 0). Find the center of a circle that would be circumscribed about this triangle.

17. Truths about Triangles 300
(-2, 2)

18. Truths about Triangles 400
Given A(0,6) B(0,0) and C(5,0), find the coordinate(s) of the endpoint(s) of the midsegment that is parallel to BC.

19. Truths about Triangles 400
(0, 3) and (2.5, 3)

20. Truths about Triangles 500
Charles was making triangles with sticks. If he has a 6 – inch stick and a 3 – inch stick which stick can he NOT use to form a triangle.
A. 4 in. B. 5 in.
C. 3 in. D. 7 in.

21. Truths about Triangles 500
Charles was making triangles with sticks. If he has a 6 – inch stick and a 3 – inch stick which stick can he NOT use to form a triangle.
C. 3 in.

22. Midsegments 100
Find the value of x.

23. Midsegments 100
X = 9

24. Midsegments 200
Find the value of x.

25. Midsegments 200
X = 10

26. Midsegments 300
Find the perimeter of triangle ABC.

27. Midsegments 300
Perimeter = 18 units

28. Midsegments 400
Find the value of x and y.

29. Midsegments 400
X = 6
Y = 13/2

30. Midsegments 500
Marita is designing a kite. The kites diagonals are to measure 64 cm and 90 cm. She will use ribbon to connect the midpoints of its sides that form a pretty rectangle inside the kite. How much ribbon will Marita need to make the rectangle connecting the midpoints?

31. Marita will need 154 cm of ribbon.
Midsegments 500
Marita will need
154 cm of ribbon.

32. Inequalities 100
If a = b + c and c > 0, then a > b is which property of inequality?

33. COMPARISON PROPERTY OF INEQUALITY
Inequalities 100
COMPARISON PROPERTY
OF INEQUALITY

34. Inequalities 200
Two sides of a triangle have measure of 12 meters and 22 meters what are the possible measures of the 3rd side?

35. Inequalities 200
10 < s < 34

36. Inequalities 300
Can a triangle have lengths of 2 yds, 9 yds, and 15 yds?

37. Inequalities 300 NO

38. Inequalities 400
If KM = 10, LK =3x+2 and ML=5x, and the perimeter of the triangle is 44, find the order of the angles from smallest to largest.

39. Inequalities 400

40. Inequalities 500 Given the measures of three angles in a triangle as
determine the lengths of the sides from longest to shortest.

41. Inequalities 500

42. Relationships in Triangles 100
If a point lies on the perpendicular bisector of a segment, what holds true about its distance from the endpoints of the segment?

43. Relationships in Triangles 100
The distance from the point
to each endpoint of the
segment is the same.

44. Relationships in Triangles 200
Solve for x.

45. Relationships in Triangles 200
x = 12

46. Relationships in Triangles 300
Point C is the centroid of triangle DEF. If GF, G being the midpoint of segment DE, is 9 meters long, what is the length of CF?

47. Relationships in Triangles 300
CF = 6 meters

48. Relationships in Triangles 400
Find the slope of the altitude drawn from vertex A.

49. Relationships in Triangles 400
Slope of the altitude = 2

50. Relationships in Triangles 500
Find the equation of the line that is the perpendicular bisector of segment CA, in slope intercept form.

51. Relationships in Triangles 500

52. Math Fun! 100 The next three terms in the sequence:
1, 1, 2, 3, 5, 8, …

53. Math Fun! 100
13, 21, 34

54. Math Fun! 200 The point where the two equations y = 2x – 2 and
7x – 3y = 11 intersect.

55. Math Fun! 200
(5, 8)

56. Math Fun! 300
Write the contrapositive for the statement “If my attitude in geometry is good, then I will have fun.”

57. Geometry, then my attitude
Math Fun! 300
If I do not have fun in
Geometry, then my attitude
is not good.

58. You will see this question
Math Fun! 400
You will see this question
for 4 seconds.
36,222 x 2 =? (Without using a calc.)

59. Math Fun! 400
72,444

60. What is Mrs. Geltner’s maiden name?
Math Fun! 500
What is Mrs. Geltner’s maiden name?

61. Math Fun! 500
Alex