Geometry; 3/11

We went over a couple additional combination problems involving multiple angles in one drawing.  We then spent the rest of the period working on a review sheet for chapter 9 in preparation for the test on Monday, March. 14.


Assignment:  Chapter 9 review sheet


Answers to review sheet:

Circles

1.  90
2.  65
3.  30
4.  30
5.  75
6.  180
7.  105
8.  255
9.  4
10.  10
11.  35
12.  5 radical 3
13.  68
14.  60
15.  7.2
16.  x = 65;  y = 115
17.  95
18.  70
19.  9 radical 21
20.  14.5

Practice 36;  Angles and Segments

1.  100
2.  26
3.  70
4.  50
5.  155
6.  90
7.  40
8.  20
9.  90
10.  110
11.  6
12.  40/3  or 13.3
13.  40
14.  12
15.  x = 6 or x = 4