If two chords of a congruent circle are equal; then their corresponding arcs are also equal.

If two chord of a circle (or of congruent circles) are equal,then their corresponding arcs.(minor,major or semi-circular) are congruent.

IF the angle subtended by two chords of congruent circles at the corresponding centres are equal.

If the angles subtended by two chords of congruent circles at the corresponding centres are equal,the chords are equal.

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

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

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

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.

Theorem 10.2 : If the angles subtended by the chords of a circle at the centre are equal, then the chords are equal.

If the angle subtended by two chords of a circle at the centre are equal; the chords are equal.