Honors Geometry; 4/27

We continued working on the area of regular polygons today by showing how to work with problems involving trig ratios.  We went over a couple of examples together before getting started on the review.


Assignment:  Chapter 11 quiz review worksheet

Practice 43:  Areas of Polygons

1.  35
2.  72
3.  36 radical 3
4.  77
5.  60
6.  60
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  (just do the odds)

1.  a. 8;  b.  12
3.  4 radical 3
5.  2 radical 3
7.  24 radical 3
9.  48
11.  64
13.  30x
15.  216 radical 3
17.  27 radical 3
19.  12 radical 3