In the diagram above ∠OPQ is?
Attached Figure / Diagram
A
90o
B
53o
C
36o
D
26o
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
a = a(base ∠s of Iss \Delta)
∴ a+a+74 = 180
2a + 74 = 180
2a = 180-74
2a = 106
a = 53
∴∠OPQ = 53o
Source: Myschool Past Questions Archive (Record #9280)