In ΔABC, right-angled at C, 'p' is the length of the perpendicular drawn from C to the hypotenuse AB. If the lengths of the sides BC, CA, and AB are represented by a, b, and c respectively, then which of the following relations is correct?

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.