In the adjoining figure, PQ is a chord of a circle and PT is the tangent at P such that `angleQPT=60^(@).`Find `anglePRQ.`

In the figure, PQ is a chord of a circle and PT is the tangent at P such that |__QPT=60^(@) . Find |__PRQ .

In the adjoining figure PQ||RS find x and y.

In the figure,PQ is a chord of a circle with centre O and PT is the tangent at P such that /_QPT=70^(@). Then the measure of /_PRQ is equal to : (A) 135^(@) (B) 150^(@) (C) 120^(@) (D) 110^(@)

In the given figure,PQ is a chord of a circle with centre O and PT is a tangent.If /_QPT=60^(@) find /_PRQ

In Figure PQ is a chord of a circle with centre O and PT is a tangent. If QPT =60^@ so, find PRQ.

In the adjoining figure O is the centre of the circle and AB is the diameter. Tangent PQ touches the circle at D. angleBDQ = 48^(@) . Find the ratio of angleDBA: angleDCB :

In the adjoining figure, XY is a diameter of the circle and PQ is a tangent to the circle at Y. Given that |__AXB=50^(@) and |__ABX=70^(@) , calculate |__BAY and |__APY .

In the figure 'O' is the centre of the circle ,PT is a tangent and if anglePTO=30^(@) , find anglePOT

In the adjoining figure , Q is the centre of the circle and PM, PN are tangent segments to the circle. IF angleMPN=40^@ , find angleMQN .