Solve this:
Q.1. Find the value of x.

Dear student,

In PSRPSR+SRP+SPR=180°PSR+50°+35°=180°PSR=180°-85°PSR=95°Now in cyclic quad PQRSS+Q=180°     --[sum of opp. angles in cyclic quad is 180°]95°+x=180° x=180° -95°x=85°

Regards

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