1 and 13 are Alternate exterior angles
8 and 4 are Vertical angles
5 and 7 are corresponding angles
7 and 12 are same side interior angles and also Supplementary
16 and 11 are Supplementary angles
2 and 8 are alternate interior angles
16 and 3 are Supplementary angles and also Same side exterior angles
9 and 2 are No relation