Geometry - Trig Functions Practice 8-3
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Geometry
Name___________________________________
Trig functions practice 8-3
Date________________ Period____
Find the measure of each angle indicated. Round to the nearest tenth. 1)
2)
B
A
θ
12
θ 10
A
C
10.6
C
3)
4)
C
B
8
3
C
A θ
5.8
3
θ
A
8
B
B
5)
6)
4
B
A
B
A θ
θ
7
8.5
3
C
C
7)
B
8)
B
θ 8
5
A
9)
θ
C
8
A
C
10)
A
5
A θ
5
2.8 5
B
C θ
C
11)
B
2
12)
B
C 5
θ
6
B
θ
C
3
A
-1-
6
A
13)
14)
A
C 6
θ
11
A
10
B
7
θ
B
C
15)
16)
C 5.3
7
C
A
4 10
θ θ
B
17)
A
B
18)
B θ
B
12
C
6
A
11
19)
A
20)
A
3
θ
C
A 5
9
θ
C
B
12
θ
B
C
9
Find the measure of each side indicated. Round to the nearest tenth. 21)
22)
C x
B
C x
7
8
35°
23)
B
51°
B
A
A
24)
A
60°
x
26°
A
12.1
B
25)
C
26)
9 38°
x
C
A
B 52°
x
8
B
C
-2-
C
4
x
A
27)
28)
A 63°
C
7
x 32°
C
B
x
29)
A
30)
B
4
B
11
B
8
x 17°
A
31)
60° x
C
C
32)
C
A
A
x 48°
A
24° 9.6
B
3
B
33)
34)
C x
A
6
45°
A
x
B
B
35)
C
x
A
B
53°
68.9° 6.3 C
36)
B x
11
x
A
C
37)
C
38)
x B 67°
24°
C
22.9
A 11 x 30°
6.8
C
A
39)
40)
C
A
3 38°
B
x
x
A
B
-3-
75° 7 C
B
Geometry
Name___________________________________
Trig functions practice 8-3
Date________________ Period____
Find the measure of each angle indicated. Round to the nearest tenth. 1)
2)
B
A
θ
12
θ 10
A
C
10.6
C
3)
4)
C
B
8
3
C
A θ
5.8
3
θ
A
8
B
B
5)
6)
4
B
A
B
A θ
θ
7
8.5
3
C
C
7)
B
8)
B
θ 8
5
A
9)
θ
C
8
A
C
10)
A
5
A θ
5
2.8 5
B
C θ
C
11)
B
2
12)
B
C 5
θ
6
B
θ
C
3
A
-1-
6
A
13)
14)
A
C 6
θ
11
A
10
B
7
θ
B
C
15)
16)
C 5.3
7
C
A
4 10
θ θ
B
17)
A
B
18)
B θ
B
12
C
6
A
11
19)
A
20)
A
3
θ
C
A 5
9
θ
C
B
12
θ
B
C
9
Find the measure of each side indicated. Round to the nearest tenth. 21)
22)
C x
B
C x
7
8
35°
23)
B
51°
B
A
A
24)
A
60°
x
26°
A
12.1
B
25)
C
26)
9 38°
x
C
A
B 52°
x
8
B
C
-2-
C
4
x
A
27)
28)
A 63°
C
7
x 32°
C
B
x
29)
A
30)
B
4
B
11
B
8
x 17°
A
31)
60° x
C
C
32)
C
A
A
x 48°
A
24° 9.6
B
3
B
33)
34)
C x
A
6
45°
A
x
B
B
35)
C
x
A
B
53°
68.9° 6.3 C
36)
B x
11
x
A
C
37)
C
38)
x B 67°
24°
C
22.9
A 11 x 30°
6.8
C
A
39)
40)
C
A
3 38°
B
x
x
A
B
-3-
75° 7 C
B
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