`O` is the centre of a circle of radius 8 cm. The tangent at a point `A` on the circle cuts a line through `O` at `B` such that `A B=15 c m` . Find `O B` .

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 .

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.

In Figure, O is the centre of circle of radius 28 cm. Find the area of minor segment A S B .

O is the centre of a circle of radius 5cm. T is a point such that OT=13cm and OT intersects the circle at E, find the length AB.

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

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 .

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

O is the centre of a circle of radius 5cm. T is a point such that OT=13cm and OT intersects the circle at E. If AB is the tangent to the circle at E, find length of AB.

Take a point O on the plane of the paper. With O as centre draw a circle of radius 3 cm. Take a point P on this circle and draw a tangent at P .

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