1. Chapter
face
off!
A challenge vs. your partner and YOURSELF!!!

2. Question 1: Sometimes, Always, Never
The number of diagonals in a polygon is equal to the number of vertices the polygon has.

3. answer 1:
Sometimes, Always, Never The number of diagonals in a polygon is equal to the number of vertices the polygon has.

4. Question 2:
The exterior angle of a triangle is larger than any interior angle.

5. answer 2:
Sometimes, Always, Never

6. Question 3:
Find the sum of the measures of the angles of a nonagon.

7. Answer #3:
Find the sum of the measures of the angles of a nonagon.

8. Question 4:
What is the name of the polygon that has 135 diagonals?

9. Answer #4:
What is the name of the polygon that has 135 diagonals?

10. Question #5:
How many sides does a polygon have if the sum of the measures of its interior angles is 900°?

11. Answer #5:
How many sides does a polygon have if the sum of the measures of its interior angles is 900°?

12. Question #6:
What is the measure of the exterior angle of a regular nonagon?

13. Answer #6:
What is the measure of the exterior angle of a regular nonagon?

14. Question #7:
A regular polygon has an exterior angle of 18 degrees. What is the name of the polygon?

15. Answer #7:
A regular polygon has an exterior angle of 18 degrees. What is the name of the polygon?
A 20-GON

16. Question #8:
A regular polygon has an interior angle of 165 degrees. What is the name of the polygon?

17. Answer #8:
A regular polygon has an interior angle of 165 degrees. What is the name of the polygon? 24 gon!

18. Question #9:
How many diagonals does a pentadecagon have?

19. Answer #9:
90 diagonals

20. Question #10:
Name the polygon that has an interior angle sum of 1080°.

21. Answer #10:
Name the polygon that has an interior angle sum of 1080°.

22. Question #11:
Part of the formula for the number of diagonals of a polygon is (n-3). What does this quantity represent?

23. answer #11:
Part of the formula for the number of diagonals of a polygon is (n-3). What does this quantity represent?

24. Question #12:
Given that I, M, N are midpoints and the perimeter of triangle BAG is 147, find the perimeter of triangle MIN.

25. answer #12:
Given that I, M, N are midpoints and the perimeter of triangle BAG is 147, find the perimeter of triangle MIN.

26. question #13:

27. Answer #13:

28. Question #14:

29. Answer #14: