Question

in the figure angle pqr is equal 100 degree where p q and R are the points on the circle with Centre O. find angle o p r​

Answer 1

<pqr + <qro + <rop + <opq = 360°

100°+ <qro +100°+ <opq =360°

2 <opq + 200°=360°

<opq=80°

so , <opr = 40°