n
a1
a2
a3
a4
a5
a6
1
59
59
49
128
103
36
2
50
66
46
120
142
21
3
55
63
43
102
140
24
4
53
51
44
105
120
37
5
52
56
48
130
115
33
6
53
58
36
106
128
30
7
63
63
35
143
107
27
8
58
55
52
126
123
41
9
68
60
39
138
134
32
10
59
70
51
108
119
21
11
60
59
37
147
127
33
12
53
65
54
125
110
41
13
52
57
40
127
118
40
14
64
51
45
129
112
20
15
63
58
50
119
141
25
16
62
69
38
145
129
31
17
50
62
55
122
121
37
18
69
66
41
107
111
22
19
70
68
53
121
149
16
20
68
55
42
104
126
20
21
52
55
47
139
104
25
22
62
63
49
110
150
18
23
60
62
46
142
116
31
24
51
51
43
101
132
32
25
64
51
44
137
106
43
26
60
56
48
131
148
21
27
63
53
36
133
145
21
28
70
50
35
140
101
32
29
61
51
52
103
102
43
30
58
57
39
144
130
28
31
61
52
51
135
133
33
32
63
57
37
132
124
29
33
63
70
54
116
136
18
34
60
69
40
149
113
21
35
61
60
45
118
108
21
36
67
53
50
115
147
20
37
69
61
38
111
117
21
38
52
52
55
114
139
25
39
70
59
41
124
146
18
40
50
63
53
141
144
21
41
51
53
42
146
131
24
42
61
66
47
134
125
25
43
55
69
49
150
138
22
44
58
55
46
117
114
29
45
65
54
43
136
122
21
46
51
67
44
123
109
39
47
62
55
48
109
143
22
48
58
70
36
148
135
30
49
63
69
35
113
105
31
50
61
63
52
112
137
19
5
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
Missing Angle
?
The sum of the three interior angles of the triangle equals to 180 degrees
Find The Missing Angle Measure (all angles are measured in degrees)
X =
degrees
1)
2)
X =
degrees
3)
X =
degrees
4)
X =
degrees
5)
X =
degrees