Perpendicular Bisector of Chord

Joe Chung
10.1 Chords of a Circle Perpendicular bisector of a chord of a circle passes through the centre of a circle. (abr. perpendicular bisector of chord)
1. Click and move the points A, B and D, E to change the length and position of the two chords. 2. Observe the lines perpendicular to the chords, that bisect the chords. 3. What do you realize about the intersection point of these perpendiculars?