1. Jeopardy
Chapter 9

2. Geometric Ideas
Angles
Circles
Polygons
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300
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400
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500
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500

3. Row 1, Col 1 B. A line has no endpoints, and it goes on forever.
It is shown with an arrow at each end.
Which of the following is the best description of a line?
None of these.
B. A line has no endpoints, and it goes on forever.
It is shown with an arrow at each end.
C. A line has two endpoints, and it does not go on forever.
D. A line has only one endpoint, and it goes on forever.
It is shown with an arrow at one end.
Row 1, Col 1

4. 1,2 X The triangle above has its vertices, angles, and sides
labeled with different letters.
What letter are its vertices labeled with?
1,2

5. If the radius of a circle is 11 centimeters,
what is the diameter of the circle?
1,3

6. What kind of triangle is this?
D. Acute Triangle
What kind of triangle is this?
A. equilateral triangle
B. obtuse triangle
C. right triangle
D. acute triangle
1,4

7. How many line segments are in the figure above?5
How many line segments are in the figure above?
2,1

8. 2,2 C. 32 ° In a certain triangle, two of the angles have measures
of 32° and 116°. If the triangle is isosceles,
then which of the following could be the measure
of the third angle?
A. 116°
B. 38°
C. 32°
D. 30°
2,2

9. If the diameter of a circle is 24 centimeters,
what is the radius of the circle?
2,3

10. The polygon shown above is called a/an ____________.
decagon
The polygon shown above is called a/an ____________.
2,4

11. Which of the following lines are perpendicular
B. W & X
Which of the following lines are perpendicular
to each other in the shape above?
W & Y
W & X
Y & X
3,1

12. 3,2 C. 97° A quadrilateral has angle measures
of 42°, 73°, and 148°. What is the measure of the
fourth angle in the quadrilateral?
87°
B. 137°
C. 97°
D. 107°
3,2

13. Point O is the center of the circle above.
B. OD
Point O is the center of the circle above.
Which segment is a radius of the circle?
A. EG B. OD C. DE D. DF
3,3

14. A polygon with nine sides is called a ____________.
nonagon
A polygon with nine sides is called a ____________.
3,4

15. How many sets of parallel lines are there
in the shape above?
4,1

16. What is the measure of the angle?
125 °
What is the measure of the angle?
4,2

17. 4,3 DF or FD Point O is the center of the circle above.
Which segment is a diameter of the circle?
4,3

18. 5,1 A- Intersecting B-Parallel C- Perpendicular A B C
Label each set of lines using the terms:
parallel, perpendicular, intersecting
5,1

19. A polygon with six sides is called a/an ____________.
hexagon
A polygon with six sides is called a/an ____________.
4,4

20. What is the measure of the angle?
20 °
What is the measure of the angle?
5,2

21. 5,3 6 cm Line segment NC is 3 cm long and a radius
of the circle shown above.
What is the length of MR?
5,3

22. The polygon shown above is called a/an ____________.
Octagon
The polygon shown above is called a/an ____________.
5,4