Prove that the line of centres of two interesting circles subtends equal angles at the two points of intersection.

Prove that the line joining centres of two interesting circles subtends equal angles at the two points of intersection.

Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection.

Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection

Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection

Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection.

Prove that the line of centres of two intersecting circles subtends equal angles at the two point of intersection.

Prove that the line segment joining the centres of two intersecting circles subtends equal angles at the two points of intersection.

Prove Equal chords of congruent circles subtend equal angles at the centre.

Prove that equal chords of congruent circles subtend equal angles at their centre.

Prove that equal chords of congruent circles subtend equal angles at their centre.