A tangent `P Q` at a point `P` of a circle of radius 5 cm meets a line through the centre `O` at a point `Q` so that `O Q=13 c m` . Find the length of `P Q` .

A tangent P Q at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q such that O Q=12 c m . Length P Q is

Tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ = 12 cm. Find length of PQ

A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that O Q=12 c m . Length PQ is : (A) 12 cm (B) 13 cm (C) 8.5 cm (D) sqrt(119) cm.

If the tangent at a point P to a circle with centre O cuts a line through O at Q such that P Q=24 c m and O Q=25 c m . Find the radius of the circle.

A line through the centre O of a circle of radius 7 cm cuts the tangent, at a point P on the circle, at Q such that P Q=24 c m . Find O Q .

P Q is a chord of length 8 cm of a circle of radius 5 cm. The tangents at P and Q intersect at a point T . Find the length T P .

From an external point P , tangents P A and P B drawn to a circle with centre O . If C D is the tangent to the circle at a point E and P A=14 c m , find the perimeter of P C D .

In a circle of radius 7 cm, tangent PT is drawn from a point P such tht PT= 24 cm. If O is the centre of circle, then find the length of OP.

In Fig. 10.76, C P and C Q are tangents from an external point C to a circle with centre O . A B is another tangent which touches the circle at R . If C P=11 c m and B R=4c m , find the length of B C . (FIGURE)

A is a point at a distance 13 cm from the centre O of a circle of radius 5 cm. AP and AQ are the tangents to the circle at P and Q. If a tangent BC is drawn at a point R lying on the minor arc PQ to intersect AP at B and AQ at C, find the perimeter of the Delta ABC