Geometry; 3/30

We went over a couple of warm up problems to begin the period and review sectors and arc lengths together.  We also corrected the homework on geometric probability.  We then spent some time going over 4-5 review problems together in preparation for tomorrow's test.  The rest of the time was spent working on the chapter 11 review sheet.

Assignment:  Chapter 11 review sheet;

Chapter 11 test tomorrow in class


Chapter 11 Review Sheet answers

1.  361
2.  112
3.  area = 309.1;  perimeter = 70.6
4.  area = 100 radical 3
5.  perimeter = 88;  area = 405
6.  area = 384 radical 3
7.  area = 28
8.  area = 75
9.  area = 100 radical 3
10.  area = 96
11.  area = 615.4;    circumference = 87.9
12.  arc length = 2 pi
13.  don't do
14.  sector area = 103.6
15.  central angle = 240 degrees
16.  radius = 6
17.  4/49
18.  perimeter = 98;  area = 24
19.  a.  1/100       b.  6/25
20.  a.  1/6;  0.17;  17%                b.  1/2;  0.50 ;    50%