Geometry Models
B - Unit 9 Right
Triangles
Math
Assignment-4/5/16
Name___________________________________
Trig: Finding Missing Sides and Angles
Date________________
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Find the value of each trigonometric ratio as fractions in their simplest form.
2) sin X
1) tan A
24
B
32
A
15
Z
40
Y
20
25
C
X
Find the value of each trigonometric ratio as decimals rounded to the ten-thousandths place.
4) tan Z
3) cos A
A
50
Z
50
X
14
48
30
Y
C
B
40
Find the missing side. Round answers to the nearest tenth.
5)
6)
12
54°
18
x
58°
x
7)
8)
x
14
66°
16
31°
x
9)
10)
x
68°
x
10
35°
15
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-1-
Worksheet by Kuta Software LLC
11)
12)
16
x
33°
17
45°
x
Find the measure of the indicated angle to the nearest degree.
13)
14)
20
?
13
13
?
21
15)
16)
5
?
4
5
?
11
17)
18)
13
?
43
23
19)
13
?
20)
48
?
?
48
57
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25
-2-
Worksheet by Kuta Software LLC
Answers to Trig: Finding Missing Sides and Angles
4
3
5) 16.5
9) 16.2
13) 32°
17) 34°
1)
3
5
6) 9.5
10) 7.0
14) 41°
18) 17°
2)
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3) 0.6000
4) 0.2917
7) 31.1
11) 29.4
15) 24°
19) 33°
8) 31.4
12) 12.0
16) 37°
20) 31°
-3-
Worksheet by Kuta Software LLC