In the cyclic quadrilateral above . Find < PRO
Attached Figure / Diagram
A
70o
B
20o
C
50o
D
30o
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
< PRO = 180^\circ - (110 + 50)^\circ
= 180 - 160 = 20^\circ
Source: Myschool Past Questions Archive (Record #44872)