An elastic belt is placed round the rim of a pulley of radius 5 cm. One point on the belt is pulled directly away from the centre 'O' of the pulley until it is at point P, 10 cm from point O. The length of the belt that is in contact with the rim of the pulley is:

If B is the center of a circle and lines AD and CD are tangent segments drawn from an external point D, then which of the following classifications apply to quadrilateral ABCD? (a) Kite (b) Cyclic quadrilateral (c) Rhombus (d) Trapezium

In a parallelogram PQRS, rays PA and SA are the angle bisectors of ∠QPS and ∠RSP respectively. Find the measure of ∠PAS.