This applet allows users to discover the different types of arcs classified by their arc measure.

1. As you drag the slider what measurement in the sketch changes?[br]2. What do you notice about the arc measure and the central angle measure?[br]3. For what degrees of a central angle is the arc considered a minor arc? a major arc? a semi-circle?[br]4. What are the appropriate ways to denote a minor arc? a major arc? a semi-circle?