निम्नलिखित में से कौन सा कोणों का समूह एक समद्विबाहु त्रिभुज (isosceles triangle) के आंतरिक कोणों को दर्शा सकता है?

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.