Find the area of each figure described or shown. If your answer is not an integer, round to the nearest tenth.
1. ________________ 2. _________________ 3. __________________
4. _______________ 5. _______________
For questions 6-10, all of the polygons are regular. Use the formula for regular polygons,
A = 1
2 ap
, to find the area.
Round your answers to the nearest tenth.
6. ______________ 7. ______________
9. regular octagon with apothem = 6 ft.
______________ ______________
8. _______________
10. regular pentagon with apothem = 12
For Questions 11-12, leave your answers in terms of

.
11. Find the circumference of circle O. _______________
12. Find the area of circle O. ______________

For Questions 13-14, leave your answers in terms of

.
13. Find the length of PQ . ___________
14. Find the area of sector PNQ. ______________
15. If the circumference of a circle is 10, find the length of the radius. ____________
(Round your answer to the nearest tenth)
Find each measure for circle P.
17. m

BPC ___________ 16. m AB ____________
18. m ADC ___________ 19. m ADB ____________
Find the area of the shaded segment or sector to the nearest tenth.
20. ______________ 21. _________________
For the figure, find the probability that a random point is within the shaded area. Express your answer as a percent rounded to the nearest tenth.
22. ____________
Extra Credit:
Shown is a rather strangely numbered target. One day a marksman was practicing and made a score of exactly
100 Can you figure out where his shots landed?