PLEASE HELP ! WILL GIVE 100 POINTS + BRAINLIEST ! Quadrilateral OPQR is inscribed inside a circle as shown below. What is the measure of angle O? You must show all work and calculations to receive credit.

PLEASE HELP WILL GIVE 100 POINTS BRAINLIEST Quadrilateral OPQR is inscribed inside a circle as shown below What is the measure of angle O You must show all work class=