Question

In the given figure, PA is tangent to a circle with centre O. If ∠APO = 30° and OA = 2.5 cm, then OP is equal to

From an external point Q, the length of tangent to a circle is 12 cm and the distance of Q from the centre of circle is 13 cm. The radius of circle (in cm) is

Construct a pair of tangents to the circle of radius 4 cm from a point which is at a distance of 6 cm from the centre.

Construct a pair of tangents from a point 5 cm away from the centre of a circle of radius 2 cm.