Answer:

1. When the sum of two angles is equal to 90 degrees, they are called complementary angles.
2. When the sum of two angles is equal to 180 degrees, they are called supplementary angles.
3. A linear pair is a pair of adjacent angles formed when two lines intersect.
4. Two angles are Adjacent when they have a common side and a common vertex, and don't overlap.
5. Vertical angles are angles that are opposite of each other when two lines cross.

Step-by-step explanation:

Please look at the picture for the examples!