# Activity 1 - Discovering Angle Relationships

**Answer the following questions in complete sentences.**

*Move Points A, B, C, D to alter the angles formed at the intersection.*1. Identify Vertical Angles. What relationship exist between pairs of **vertical angles**?

2. Identify Linear Pairs. What relationship exist between **linear pairs**?

3. Identify Adjacent Angles. What relationship exist between **adjacent** angles? Can** vertical **angles be **adjacent** angles? Why or why not?

4. Identify Supplementary Angles. What relationship exist between **supplementary** angles? Are they similar to any of the relationships above? Which ones?