[" 8.From an external point "P" ,tangents "PA=PB" are drawn to a circle with centre "0." If "/_PAB=50^(@)" ,"],[" then find "/_AOB" ."]

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

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

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 .

Two concentric circle with centre O are of radii 6 cm and 3 cm. From an external point P, tangents PA and PB are drawn to these circle as shown in the figure. If AP = 10 cm. Find BP

Two concentric circles with centre O are of radius 3 cm and 5 cm. From an external point P, two tangents PB and PA are drawn to these circles respectively. If PA=12 cm, find PB.

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 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 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 .