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Perpendicular Line from Centre Bisects Chord

Author:
damienchew
Perpendicular Line from Centre Bisects Chord
Perpendicular Line from Centre Bisects Chord By moving points A or B you can adjust the lenght of chord AB. D has been automatically set to the mid-point of AB. Note that the angles ODB and ODA are right angles. The converse is true: The perpendicular bisector of a chord will passthrough the centre of the circle.