The length of the diagonal of a rectangle is 10 cm. The area of its circumscribed circle is 

If AB, AC, PQ are tangent as in figure and AB = 5 cm, find the perimeter of ΔAPQ

Determine the length of a tangent to a circle with radius 5cm, drawn from a point at distance 13cm from the centre of the circle.

If two concentric circles have radii 5cm and 3cm then the length of the chord of the larger circle which touches the

other circle is

The tangent at any point of a circle is perpendicular to the _________ through the point of contact.

Number of tangents a circle have

The length of the diagonal of a rectangle is 10 cm. The area of its circumscribed circle is

From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm, Then the radius of the circle is

A circle is inscribed in a ΔABC having AB = 10 cm, BC = 12 cm, and CA = 8 cm and touching the sides at D, E, F respectively. Find AD, BE, CF.

In two concentric circles, a chord of the larger circle touches the smaller circle. If the length of this chord is 8 cm and diameter of the smaller circle is 6cm, then find the diameter of the larger circle.