Given a circle and a quadrilateral ABCD inscribed in it as shown. If \[{{90}^{o}}\], is equal to\[{{42}^{o}}\] is equal to

• A.  \[{{48}^{o}}\]                                
• B.  \[{{38}^{o}}\]
• C.  \[PQ||SR.\]                           
• D.  \[\angle P={{82}^{o}}\]