Geometry Ch. 11 Review Sheet Answers; 4/18

The answers to the Chapter 11 Review Sheet appear below:

1.  361 square inches
2.  112 square inches
3.  perimeter = 70.6 cm
4.  area = 173.2 square cm
5.  area = 405 square inches
6.  area = 665.1 square cm
7.  area = 28 square cm
8.  area = 75 square cm
9.  area = 173.2 square units
10.  area = 96 square cm
11.  area = 615.4 square feet;  circumference = 87.9 feet
12.  arc length = 2 pi
13.  area = 25 pi - 50
14.  area = 103.6 square units
15.  central angle = 240 degrees
16.  radius = 6
17.  ratio of areas = 4/49
18.  perimeter = 98 inches;  area = 24 square inches
19.  a.  probability = 1/100       b.  probability = 1/4
20.  a   probability = 1/6  =  0.167  =  16.7%
       b.  probability = 1/2  =  0.50  =  50%