Chp 8 Workbook
Chp 8 Workbook
Chp 8 Workbook
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NAME DATE PERIOD<br />
8-6<br />
Practice<br />
The Law of Sines and Law of Cosines<br />
Find x. Round angle measures to the nearest degree and side lengths to the<br />
nearest tenth.<br />
1. 2. <br />
<br />
3.<br />
14°<br />
x<br />
127<br />
14<br />
42°<br />
61°<br />
<br />
67°<br />
<br />
x<br />
<br />
83°<br />
5.8<br />
73°<br />
<br />
x<br />
<br />
Lesson 8-6<br />
4. <br />
5. 6.<br />
34°<br />
<br />
<br />
56°<br />
x<br />
19.1<br />
<br />
x<br />
43° <br />
9.6 123°<br />
<br />
<br />
4.3<br />
85°<br />
<br />
64°<br />
x<br />
<br />
7. <br />
8. <br />
9.<br />
37°<br />
<br />
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />
<br />
40<br />
37°<br />
12<br />
<br />
x<br />
10. 11. <br />
12.<br />
<br />
28.4<br />
21.7<br />
x°<br />
<br />
14.5<br />
13. INDIRECT MEASUREMENT To find the distance from the edge<br />
of the lake to the tree on the island in the lake, Hannah set up<br />
a triangular configuration as shown in the diagram. The distance<br />
from location A to location B is 85 meters. The measures of the<br />
angles at A and B are 51° and 83°, respectively. What is the<br />
distance from the edge of the lake at B to the tree on the island at C?<br />
14<br />
23<br />
89°<br />
<br />
<br />
28<br />
15<br />
x<br />
x<br />
<br />
<br />
<br />
15<br />
<br />
62°<br />
A<br />
17<br />
x<br />
<br />
x°<br />
14 10<br />
9.6<br />
<br />
<br />
B<br />
C<br />
Chapter 8 39 Glencoe Geometry
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