From an external point two tangents PA and PB are drawn to the circle with center O. Prove that OP is perpendicular bisector of AB.

From an external point P, two tangents PAandPB are drawn to the circle with centre O .Prove that OP is the perpendicular bisector of AB.

From an external point P , two tangents PA and PB are drawn to the circle with centre O . Prove that O P is the perpendicular bisector of A B .

Prove that form any external point two tangents can be drawn to circle.

As shown in the given figure, from an external point P, a tangent PT and a line segment PAB are drawn to a circle with centre O. ON is perpendicular on the chord AB, Prove that PA.PB = PN^(2) - AN^(2)

In the given Fig. 5, from an external point P, a tangent PT and a secant PAB is drawn to a circle with centre 0. ON is perpendicular on the chord AB. Prove that PA.PB = PT^(2) ?.

From an external point P, tangents PA and PB are drawn to a circle with centre O. If |__PAB=50^(@) , find |__AOB .

In the given figure, from an external point P, a tangent PT and a line segment PAB is drawn to a circle with centre O. ON is perpendicular on the chord AB. Prove that (i)PA.PB=PN^2-AN^2 (ii) PN^2-AN^2 =OP^2-OT^2

From a point P outside a circle with centre O , tangents PA and PB are drawn to the circle. Prove that OP is the right bisector of the line segment AB .

From an external point P, two tangents, PA and PB are drawn to a circle with centre 0. At one point E on the circle tangent is drawn which intersects PA and PB at C and D, respectively. If PA=10 cm, find the perimeter of the triangle PCD.

From an external point P, two tangents, PA and PB are drawn to a circle with centre 0. At one point E on the circle tangent is drawn which intersects PA and PB at C and D, respectively. If PA=10 cm, find the perimeter of the triangle PCD.