Equal chord of circle subtends equal angle on centre.

Equal chords of a circle subtend equal angles at the centre.

Equal chords of a circle subtend equal angles at the centre.

Theorem 10.1 : Equal chords of a circle subtend equal angles at the centre

Prove Equal chords of a circle subtend equal angles at the centre.

State the converse of the following theorem. "Equal chords of a circle subtend equal angles at the centre".

Theorem:-1If two arcs of a circle are congruent; the corresponding chord are equal and Equal chords of a circle substends equal angles at the centre.

Prove that equal chords of a circle subtend equal angles at the centre.

r : Two chords of a circle subtend equal angles at centre if and only if they are equal. Statement r can be interpreted as

r : Two chords of a circle subtend equal angles at centre if and only if they are equal. Statement r can be interpreted as

prove that the line joining the mid-point of two equal chords of a circle subtends equal angles with the chord.