Question

in the figure o is the centre of circle and PR=QR ​

Answer 1

Answer:

90 degrees

Step-by-step explanation:

angle c will measure 90 degrees in this figure where a polygon is inscribed within a circle.

Answer 2

Answer is 60°.

To find the measure of angle ACB, the steps are

As the given angle is 120° and from the linear pair

s the given angle is 120° and from the linear pairit would be 180° - 120° = 60° hence it is 60° and therefore your answer is the 2nd option which is 60°.