Radius and Chord Relationships

Radius and Chord Relationships in Circles
1.  Drag Point F until Angle CEB becomes a right angle. What do you notice?[br]2. Drag Point A or B to somewhere else. Then repeat step 1. What do you notice?[br]
– mtpberg, Jason Berta, watson92982, mtorres1

Information: Radius and Chord Relationships