AB is a tangent to a circle with centre P touching the circle at B. PA intersets the circle at M. If AB=35cm and AM=25cm, find the diamter of the circle.

To draw a pair of tangents to a circle which are inclined to each other at an angle of 35°, it is required to draw tangents at the end points of two radii which are inclined to each other at an angle of ..........

PM is a tangent to a circle with centre O touching the circle at M. If OP=85cm and PM=77cm, find the radius of the circle.

Prove that in concentric circles, the chord of the larger circle, which touches the smaller circle, is busected at the point of contact.

XY is a tagent to a circle with centre O touching the circle at Y. If OX=61cm and the diameter of the circle is 22cm, find XY.

The common point of a tangent to a circle and the circle is called the point of contact.

A horse runs along a circle with a speed of 20k m//h . A lantern is at the centre of the circle. A fence is along the tangent to the circle at the point at which the horse starts. Find the speed with which the shadow of the horse moves along the fence at the moment when it covers 1/8 of the circle in km/h.

Fill in the blanks A tangent PQ at a point P of a circle of radius 5cm meets a line through the centre O at a point Q so that OQ=13cm . Find length of PQ.

A tangent to a circle intersects it ____ points.