In the figure-3, from an external point P, two tangents PQ and PR are drawn to a circle of the radius 4 cm with centre O. If `angle` QPR = `90^@`, then length of PQ is

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

In figure, 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

If Figure-1, from an external point P, two tangents PQ and PR are drawn to a circle of radius 4 cm with centre O. if angleQPR=90^(@) , then length of PQ is

If Figure-1, from an external point P, two tangents PQ and PR are drawn to a circle of radius 4 cm with centre O. if angleQPR=90^(@) , then length of PQ is

Tangents PQ and PR are drawn to a circle from an external point P.If PQ=9 cm and anglePQR=60^(@) ,then the length of the chord QR Is:

In figure PQ and PR are tangents drawn from P to a circle with centre O.If angleOPQ=35^@ then

In Figure, there are two concentric circles with centre O of radii 5 cm and 3 cm . From an external point P , tangents PA and PB are drawn to these circles. If A P=12 cm , find the length of BPdot

In the given figure, two tangents PQ and PR are drawn to a circle with centre O from an external point P, Prove that /_ QPR = 2 /_ OQR.