Central Angles vs Inscribed Angles

Thinking Questions:
What do you notice about central angles?[br][br]What do you notice about inscribed angles?[br][br]Are there any connections between the central angle and the inscribed angle shown?[br][br]If you knew the central angle, could you calculate the measure of the inscribed angle?[br][br]If you knew the inscribed angle, could you calculate the measure of the central angle?
Arc Measure
What do you notice about the arc CB?[br][br]What information would you need to calculate (or know) the measure of arc CB?

Information: Central Angles vs Inscribed Angles