In the figure, two circles intersect each other at points A and B. AP and AQ are the diameters of these circels. Prove that PBQ is a straight line.

Two circles intersect at two points A and B . AD and AC are diameters to the two circles .Prove that B lies on the line segment DC.

Two circles intersect at two points A and B AD and AC are diameters to the two circles Prove that B lies on the line segment DC.

In the figure, two circles intersect at A and B . A C and A D are respectively the diameters of the circles. Prove that C , B , D are collinear.

Two circles intersect each other at point P an Q. If PA and PB are two diameter then find angleAQB .

Two circles intersect at two points A and B. AD and AC are diameters to the two circles ( see Fig.10.34 ).Prove that B lies on the line segment DC.

Two circles intersect at two points A and B. AD and AC are diameters to the two circles (see Fig.10.34). Prove that B lies on the line segment DC.

In the adjoining figure, two circles intersect each other at points A and E . Their common secant through E intersects the circle at points B and D . The tangents of the circles at point B and D intersect each other at point C . Prove that squareABCD is cyclic .

In the figure, two circles intersect each other at points A and B . C is a point on the smaller circle. Secant CA and secant CB of the smaller circle intersect the bigger circle at points D and E respectively then prove : seg DE || line CF

In the adjoining figure, two circles intersect each other at points A and E. Their common secant through E intersects the circle at points B and D. The tangents of the circles at point B and D intersect each other at point C. Prove that square ABCD is cyclic.

Two circles intersect at A and and AC,AD are respectively the diameter of the circle . Prove that the points C,B and D are collinear.