Angle CBD is [color=#ff0000]inscribed [/color]( vertex on the circle)[br][br]Angle COD is a [color=#0000ff]central angle[/color] (vertex of angle at center of circle).[br][br]Both angles are subtended by the chord CD.
Move the points B and D, but keep B in the same "segment" as O (same side of chord CD).[br][br][br]Describe the relationship between the inscribed angle CBD and the central angle COD.