The given figure, shows two congruent circles with centres and . is the mid- point of and is a straight line. Prove that chord chord .

Important Questions on Circles
In figure, is the centre is the diameter of the semicircle If and , then find .


In figure, is the centre is the diameter of the semicircle If and , then find .


In figure, is the centre is the diameter of the semicircle If and , then find .


In figure, is the centre is the diameter of the semicircle If and , then prove that


If a line is drawn parallel to the base of an isosceles to intersect its equal sides, prove that the quadrilateral so formed is cyclic. 
In the given figure, is the centre of the circle and Calculate the measure of .


In the given figure, is the centre of the circle and Calculate the measure of .


If is the circumcentre of a and then prove that 