From the external point P tangents PA and PB are drawn to a circle with centre O. If `angle PAB = 50^(@)`, then find `angle AOB`.

From an external point P, tangent PA=PB are drawn to a circle with centre O. If anglePAB=50^@, then find angleAOB .

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

In From an external point P, Two tangents PQ and PR are drawn to a circle of radius 4 cm with centre O . If angle QPR = 90^(@) then length of PQ is

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.

From a point P, two tangents PA and PB are drawn to a circle with centre O. If OP is equal to diameter of the circle then angleAPB is___

From an external point P ,tangents PA and PB drawn to a circle with centre O .If CD is the tangent to the circle at a point E and PA=14cm, find the perimeter of PCD

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 .