Chords of congruent circles which are equidistant from the corresponding centres, are equal.

Chords of congruent circlles which are equidistant from the corresponding centres; are equal.

Equal chords of congruent circles are equidistant from the corresponding centres.

Equal chords of congruent circles are equidistant from the corresponding centres.

Equal chord of congruent circles are equidistant from the corresponding centres.

Equal chords of a circle (or of congruent circles) are equidistant from the centre (or corresponding centres).

Chords of a circle which are equidistant from the centre are equal.

Chords of a circle which are equidistant from the centre are equal.

Chords of a circle (or of congruent circles), which are equidistant from the centre (or from the corresponding centres) are equal.

Theorem 10.6 : Equal chords of a circle (or of congruent circles) are equidistant from the centre (or centres).

If two arcs of a circle (or of congruent circles) are congruent, then corresponding chords are equal.