.
Alternate exterior angles
Alternate interior angles
Same-side interior angles
Corresponding angles
180
80
100
160
138
42
142
110, 70
180, 70
70, 70
70, 110
60
180
120
180
50
130
115
65
180
116
64
58
118
62
180
85
95
56
8
24
30
104
114
94
110
40
70
40
120
105
50
25
105
130