In the figure, a tangent PT and 2 line signs PBA is drawn to a circle with center O. If `OL _|_AB`. Prove that the `PA xx PB=PT^2`.

In the figure,a tangent PT and 2line signs PBA is drawn to a circle with center O.If OL perp AB. Prove that the PA xx PB=PT^(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) ?.

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

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

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 Figure,two tangents ABandAC are drawn to a circle with centre O such that /_BAC=210^(0) .Prove that OA=2AB

From a point P ,two tangents PT and PS are drawn to a circle with center O.Such that /_SPT=120^(@). Prove that OP=2PS.

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

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