Central Angles-Chords-Arcs Congruency Theorems
For circle O:
Move points A, B, and D.
What do you notice about segment AB and segment CD?
What do you notice about angle AOB and angle COD?
What do you notice about arc AB and arc CD?
What conclusions can you make about the relationships between congruent central angles, chords, and arcs of the same circle or congruent circles?