[b]For circle O:[br][br]Move points A, B, and D.[br][br]What do you notice about [color=#ff00ff]segment AB[/color] and [color=#38761d]segment CD[/color]?[br][br]What do you notice about [color=#ff7700]angle AOB[/color] and [color=#0000ff]angle COD[/color]?[br][br]What do you notice about [color=#bf9000]arc AB[/color] and [color=#9900ff]arc CD[/color]?[br][br]What conclusions can you make about the relationships between congruent central angles, chords, and arcs of the same circle or congruent circles?[/b]