Question

In the given figure, OP=OQ, P=60° and R=40°. Find OSR. please help ​

Answer 1

Step-by-step explanation:

Solution

We know, the angle subtended by an arc of a circle at the centre is double the angle subtended by it at any point on the remaining part of the circle

Hence,In given circle,

∠POR=2∠PQR

Therefore ∠POR=2×40

o

=80

o