We worked on a few more problem types today dealing with areas of polygons before we got started on the review sheet for the quiz. The students spent the last part of the period working on this review assignment.
Assignment: Chapter 11 Quiz review sheet
Answer key:
Practice 43 Areas of Polygons
1. 35 square meters
2. 72 square cm
3. 36 radical 3
4. 77
5. 60 square cm
6. 60 square cm
7. central angle = 60; radius = 18; apothem = 9 radical 3; area = 486 radical 3
8. 50
9. 34
10. 48
11. 78
12. 42
13. 48
14. 27 radical 3
15. 8
Areas of Regular Polygons
1. a. 8; b. 12
2. a. 36; b. 24
3. 4 radical 3
4. 5
5. 2 radical 3
6. 4 radical 2
7. 24 radical 3
8. 36
9. 48
10. 121
11. 64
12. 72
13. 30x
14. 6as
15. 216 radical 3
16. 96 radical 3
17. 27 radical 3
18. 36 radical 3
19. 12 radical 3
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