VOCABULARY
Complementary angles
Two angles whose sum is 90°
Supplementary angles
Two angles whose sum is 180°
Adjacent angles
Two angles that share a common vertex side, but have no common interior points.
Linear pair
Two adjacent angles are a linear pair if their non common sides are opposite rays.
Vertical angles
Two angles are vertical angles if their sides form two pairs of opposite rays.
In class examples: Chapter 1 lesson 5, examples 1-5
