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

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

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

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.

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

Two circles touch externally at a point P. From a point T on a common tangent PT, tangent segments TA and TB are drawn to the two circles. Then TA =

The length of BC is

CP and CQ are tangents to a circle with centre O. ARB is another tangent touching the circle at R. If CP = 11 cm, and BC = 7 cm, then the length of BR is

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

Which of the following is a line that intersects the circle in exactly one point.