[b][i]Move Points A, B, C, D to alter the angles formed at the intersection. [/i][/b][br]1. Identify Vertical Angles. What relationship exist between pairs of [b]vertical angles[/b]? [br]2. Identify Linear Pairs. What relationship exist between [b]linear pairs[/b]? [br]3. Identify Adjacent Angles. What relationship exist between [b]adjacent[/b] angles?[br][br]Answer these questions in the chat on zoom, send privately.

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

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