A circle is drawn with two angles marked.[br]The central angle CAD and angle at the circumference angle CED[br]Click the play button and Observe it carefully. [br]You can move the points in the circle.[br]Also you can increase or decrease the size of the circle by clicking on the Radius Changer point and zooming it in and out.[br][br][br]
What is the relationship between <CAD and <CED
This illustrates the Theorem