Uploaded by Christopher Hixon

2-26-19 Law of Co-Sines

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Algebra 2
Name___________________________________ ID: 1
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Assignment
Date________________ Period____
Solve each triangle. Round your answers to the nearest tenth.
1)
2)
A
A
13 km
26 m
12 km
99°
C
B
23 m
C
3)
B
9 km
4)
A
14 m
A
19 m
113°
27 yd
25 yd
B
C
C
5)
B
28 yd
6)
A
25 cm
B
102° 11 cm
C
21 mi
89°
12 mi
B
C
A
Find each measurement indicated. Round your answers to the nearest tenth.
7) Find m C
8) Find m C
A
113°
C
A
5 in
65°
25 km
B
11 in
C
9) Find m A
B
28 km
10) Find m C
B
84°
B
12 cm
26 km
11 km
88°
A
19 cm
11) Find m A
C
A
C
12) Find m B
C
A
38 yd
34 cm
16 yd
20 cm
117°
127°
B
A
C
B
Worksheet by Kuta Software LLC
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Answers to Assignment (ID: 1)
1) m C = 43.5°, m A = 37.5°, b = 37.3 m
3) m B = 27.8°, m C = 39.2°, a = 27.7 m
5) m B = 56.5°, m C = 21.5°, a = 29.3 cm
7) 24.7°
8) 54°
11) 28°
12) 22°
2)
4)
6)
9)
m C = 63°, m A = 42°, m B = 75°
m C = 61°, m A = 65°, m B = 54°
m C = 30°, m A = 61°, b = 24 mi
38.9°
10) 25°
Worksheet by Kuta Software LLC
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