Properties of congruent chords:
- A perpendicular drawn from the centre of a circle on its chord bisects the chord.
The segment joining the centre of a circle and the midpoint of its chord is perpendicular to the chord.
Relation between congruent chords of a circle and their distances from the centre
Congruent chords of a circle are equidistant from the centre of the circle.
The chords of a circle equidistant from the centre of a circle are congruent.