Solving 30-60-90 Triangles
Name____KEY___________
Use the given side to determine the length of the other two sides.
Short Leg
Long Leg
Hypotenuse
1
36
36 3
72
2
30 2
30 6
60 2
3
15
2
15 3
2
15
4
11 3
33
22 3
5
25 10
25 30
50 10
6
2
5
2 3
5
3 5
2
4
5
14 3
28
15
2
7
15
8
14
9
1
10
36 3
108
72 3
7
3
9
5
7 3
3
9 3
5
14
3
18
5
13
21
21 3
42
14
6
3 2
2 6
15
50
50 3
100
3 7
2 21
11
12
16
21
3
2
17
6 2
6 6
12 2
18
10
30
2 10
19
7
7 3
14
20
19
5
19 3
5
38
5
21
11
11 3
22
22
2 3
6
4 3
23
10 6
30 2
20 6
24
5 7
5 21
10 7
25
12
12 3
24
Find the missing part in a 45-45-90 triangle
Leg
Hypotenuse
1
5
5 2
2
16
16 2
3
10 2
20
4
17 2
34
5
21 3
21 6
6
61 7
61 14
7
25 2
2
25
8
30 2
9
1
10
9 10
11
12
13
14
15 6
2
27 30
2
7 2
2
99 2
2
60
2
18 5
15 3
27 15
7
99
15
29 2
58
16
13 2
26
17
5 3
2
5 6
2
18
17 7
17 14
19
29 10
29 20 or 58 5
20
26 2
52
21
1 3
1 6
22
14
14 2
23
79
79 2
24
42 6
84 3
25
3 14
6 7