Quadrilateral OPQR is inscribed in circle N, as shown below. Which of the following could be

used to calculate the measure of ZROP? (6 points)

(x+16)

N

(2x+16)

(6x-4)

R

(6x – 4) + (2x + 16)° – 360°

x + 16)+(6x-4) – 360°

(6x – 4) + (2x + 16) – 180°

(x + 16) +(6x – 4)° – 180°