1. Chapter 11
GRUDGE REVIEW

2. What is the value of x?
111

3. What is the sum of the exterior angles of this polygon?
360

4. What is the measure of each interior angle of a regular 15-gon?
156

5. What is the measure of each exterior angle of a regular 15-gon?24

6. If the measure of an interior angle of a regular n-gon is 162 degrees
If the measure of an interior angle of a regular n-gon is 162 degrees. What does n equal? 20

7. Find the perimeter of the regular polygon.
18sqrt3

8. Find the area of the regular polygon.
27sqrt3

9. Find the perimeter and area of the regular polygon.
32sqrt2 units, 128 sq. units

10. The polygons below are similar
The polygons below are similar. Find the ratio (large to small) of their perimeters and of their areas.
8:3 and 64:9

11. Find the measure of the radius.
3.98

12. Find the length of arc AB.
6.98

13. Find the perimeter of the region bounded by arcs or line segments.
45.32

14. Find the area of the circle.
30.25pi or

15. Find the area of the shaded region.
24.74

16. Find the area of the shaded region.
About 31.32

17. Find the probability that a randomly chosen point in the figure lies in the shaded region.
21.5%

18. Find the probability that a point selected randomly on segment LQ is on segment NP.
About 33%