In fig.10.37,angle pqr=100 degree , where p,q and r points on circle with centre o.find angle opr

In fig.10.37,angle pqr=100 degree , where p,q and r points on circle w

1.	In fig.10.37,angle pqr=100 degree , where p,q and r points on circle with centre o.find angle opr
Answer» 80° Answer