n
a1
a2
a3
a4
a5
a6
a7
1
59
59
49
128
103
36
41
2
50
66
46
120
142
21
17
3
55
63
43
102
140
24
16
4
53
51
44
105
120
37
23
5
52
56
48
130
115
33
32
6
53
58
36
106
128
30
22
7
63
63
35
143
107
27
46
8
58
55
52
126
123
41
16
9
68
60
39
138
134
32
14
10
59
70
51
108
119
21
40
11
60
59
37
147
127
33
20
12
53
65
54
125
110
41
29
13
52
57
40
127
118
40
22
14
64
51
45
129
112
20
48
15
63
58
50
119
141
25
14
16
62
69
38
145
129
31
20
17
50
62
55
122
121
37
22
18
69
66
41
107
111
22
47
19
70
68
53
121
149
16
15
20
68
55
42
104
126
20
34
21
52
55
47
139
104
25
51
22
62
63
49
110
150
18
12
23
60
62
46
142
116
31
33
24
51
51
43
101
132
32
16
25
64
51
44
137
106
43
31
26
60
56
48
131
148
21
11
27
63
53
36
133
145
21
14
28
70
50
35
140
101
32
47
29
61
51
52
103
102
43
35
30
58
57
39
144
130
28
22
31
61
52
51
135
133
33
14
32
63
57
37
132
124
29
27
33
63
70
54
116
136
18
26
34
60
69
40
149
113
21
46
35
61
60
45
118
108
21
51
36
67
53
50
115
147
20
13
37
69
61
38
111
117
21
42
38
52
52
55
114
139
25
16
39
70
59
41
124
146
18
16
40
50
63
53
141
144
21
15
41
51
53
42
146
131
24
25
42
61
66
47
134
125
25
30
43
55
69
49
150
138
22
20
44
58
55
46
117
114
29
37
45
65
54
43
136
122
21
37
46
51
67
44
123
109
39
32
47
62
55
48
109
143
22
15
48
58
70
36
148
135
30
15
49
63
69
35
113
105
31
44
50
61
63
52
112
137
19
24
5
©Ms. Garcia Math
Name:
ID:
Quiz:
Grade:
External Angle
?
The exterior angle is equal to the sum of the opposite interior angles
Find The Missing Angle Measure
(all angles are measured in degrees)
1)
X =
degrees
2)
X =
degrees
3)
X =
degrees
4)
X =
degrees
5)
X =
degrees