Two tangents PA and PB are drawn to a circle with centreO fr om an external point P. Prove that `/_APB=2/_AOB`

Two tangents PA and PB are drawn to a circle with centre O from an external point P. Prove that angle APB = 2 angle OAB

Two tangents PA and PB are drawn to circle with centre O from an external point P. Prove that angleAPB= 2angleOAB

In the figure, tangents PA and PB are drawn to a circle with centre O from an external point P. If CD is a tangent to the circle at E and AP=25cm, find the perimeter of /_\PCD .

In the figure , tangent PA and PB are drawn to a circle with centre O from an external point P. If CD is a tangent to the circle at E and AP = 15cm, find the perimeter of Delta PCD .

Two tangent segments PA and PB are drawn to a circle with centre O such that /_APB=120o. Prove that OP=2AP

Two tangent segments PA and PB are drawn to a circle with centre O such that angleAPB=120^@ . Prove that OP=2AP.

From a point P, two tangents PA and PB are drawn to a circle with centre O. If OP= diameter of the circle,show that APB is equilateral.