This document provides 18 problems involving using trigonometry to find missing side lengths of right triangles. For each problem, an angle and one side of a right triangle are given. Students are asked to find the missing side and round their answer to the nearest tenth. The answers provided by the document for the first two sample problems are 5.1 for problem 1 and 4.7 for problem 2.

1. Kuta Software - Infinite Algebra 1 Name___________________________________
Using Trigonometry To Find Lengths Date________________ Period____
Find the missing side. Round to the nearest tenth.
1) 2)
x x
27° 25°
10 10
3) 4)
7 x
8
39°
46°
x
5) 6)
x
23° 7
6
46°
x
7) 8)
x x
54°
20 72°
12
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2. 9) 10)
19 40° x
31°
10
x
11) 12)
38° 19
74°
x 20
x
13) 14)
x 40°
16°
x
18 20
15) 16)
x
x
43°
22
34
22°
17) 18)
37°
23
63° 37
x
x
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3. Kuta Software - Infinite Algebra 1 Name___________________________________
Using Trigonometry To Find Lengths Date________________ Period____
Find the missing side. Round to the nearest tenth.
1) 2)
x x
27° 25°
10 10
5.1 4.7
3) 4)
7 x
8
39°
46°
x
5.4 11.1
5) 6)
x
23° 7
6
46°
2.5 x
6.8
7) 8)
x x
54°
20 72°
12
61.6
7.1
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4. 9) 10)
19 40° x
31°
10
x 6.0
12.2
11) 12)
38° 19
74°
x 20
x
25.6 68.9
13) 14)
x 40°
16°
x
18 20
5.0
12.9
15) 16)
x
x
43°
22
34
22° 15.0
12.7
17) 18)
37°
23
63° 37
x
x
50.7 61.5
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