In a cyclic quadrilateral

MATHEMATICS · Multi-part · CBSE · Mathematics · Circles · Circles

Problem

PQRS

, three of the interior angles are given as

\angle P = 70^\circ,\; \angle Q = 95^\circ

and

\angle R = 110^\circ

. (i) Find the measure of

\angle S

. (ii) Verify that the sum of each pair of opposite angles of

PQRS

180^\circ