Answer:
1. adjacent
2. vertical
3. adjacent
Step-by-step explanation:
adjacent angles: angles next to each other with one common side
vertical angles: 2 non-adjacent angles formed by the intersection of 2 lines
complementary angles: two angles whose measures add to 90 deg
supplementary angles: two angles whose measures add to 180 deg
linear pair: 2 adjacent angles whose non-common side lie on a single line