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4-Angles in a Triangle

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Kuta Software - Infinite Geometry
Name___________________________________
Angles in a Triangle
Date________________ Period____
Find the measure of each angle indicated.
1)
2)
?
65°
40°
57°
?
3)
4)
85°
20°
50°
?
130°
?
5)
6)
137°
?
102°
100°
?
35°
7)
8)
155°
60°
?
30°
?
20°
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-1-
Worksheet by Kuta Software LLC
9)
10)
?
39°
35°
40°
20°
65°
50°
60°
11)
?
12)
86°
?
27°
84°
?
35°
23°
36°
13)
14)
156°
?
155°
115°
35°
20°
85°
?
15)
16)
45°
45°
68°
68°
79°
100°
?
75°
60°
?
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-2-
Worksheet by Kuta Software LLC
Solve for x.
17)
18)
55°
x + 74
8x + 2
54°
70°
19)
60°
20)
64°
27°
x + 51
97 + x
60°
80°
Find the measure of angle A.
21)
22)
x + 59
x + 37
x + 67
A
84°
x + 51
A
23)
24)
A
3x − 6
A
130°
x + 23
8x + 4
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80°
4 x + 17
-3-
Worksheet by Kuta Software LLC
Kuta Software - Infinite Geometry
Name___________________________________
Angles in a Triangle
Date________________ Period____
Find the measure of each angle indicated.
1)
2)
?
65°
40°
57°
?
58°
50°
3)
4)
85°
20°
50°
?
130°
45°
?
30°
5)
6)
137°
?
102°
100°
?
35°
145°
135°
7)
8)
155°
60°
?
30°
?
20°
85°
130°
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-1-
Worksheet by Kuta Software LLC
9)
10)
?
39°
35°
40°
20°
65°
50°
21°
60°
?
70°
11)
12)
86°
?
27°
84°
?
35°
23°
36°
31°
64°
13)
14)
156°
?
155°
115°
35°
20°
31°
85°
?
85°
15)
16)
45°
45°
68°
68°
79°
100°
?
75°
60°
?
109°
137°
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-2-
Worksheet by Kuta Software LLC
Solve for x.
17)
18)
55°
x + 74
8x + 2
54°
70°
−3
60°
6
19)
20)
64°
27°
x + 51
97 + x
60°
80°
−6
−11
Find the measure of angle A.
21)
22)
x + 59
x + 37
x + 67
A
84°
30°
x + 51
A
44°
23)
24)
A
3x − 6
A
130°
x + 23
8x + 4
30°
80°
4 x + 17
35°
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-3-
Worksheet by Kuta Software LLC
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