Question

in the adjoining figure if O is the centre of a circle the value of POR is ...​

Answer 1

We know, OP=OQ=OR (Radius)

ORQ=OQR

So, OQR=40°

And, ROQ=100°

OPQ=OQP

So, OQP=10°

And, POQ=160°

POR=POQ-ROQ

POR=160°-100°

POR=60°