# Discovering Angle Relationships

**1. Identify Vertical Angles. What relationship exist between pairs of**

*Move Points A, B, C, D to alter the angles formed at the intersection.***vertical angles**? 2. Identify Linear Pairs. What relationship exist between

**linear pairs**? 3. Identify Adjacent Angles. What relationship exist between

**adjacent**angles? Answer these questions in the chat on zoom, send privately.

What is the measure of ECB when DCE is 30 degrees?
Answer these questions in the chat on zoom, send privately.

1. What is the measurement of angle BCD when angle ACD is 108?
2. What is the measurement of angle BCD when angle ACD is 45?

## Supplementary angle

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