Central and inscribed Angles

1) What do you notice about the central angle and its corresponding arc? Move the points around on the circle, does your conclusion hold true?[br]2) Now click, Show Inscribed Angle D. What do you notice about the Inscribed Angle D, the central angle and its arc?[br]3) Now click show inscribed angle E. What do you notice about Inscribed angle E and Inscribed angle D? Why does this occur?[br]4) Click show inscribed quadrilateral. What do you notice about the angles? Move the points around and observe

The vertex of a central angle is _____________ a circle.

on outside on the center of

What is the relationship between the central angle [math]\angle CAB[/math] and its intercepted arc BC?

measure of central angle = measure of intercepted arc measure of central angle = 2 [math]\ast[/math] measure of intercepted arc measure of central angle + measure of intercepted arc = 180 measure of central angle = [math]\frac{1}{2}\ast[/math]measure of intercepted arc

Central and inscribed Angles

Information: Central and inscribed Angles