In the diagram, O is the centre, \(\bar{RT}\) is a diameter, < PQT = 33\(^o\) and
Attached Figure / Diagram
A
73o
B
67o
C
57o
D
37o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
In the diagram given, < PRT = 3\(^o\) (Change in same segment)
< TPR = 90\(^o\) (angle in a semicircle)
Hence, < PTR = 180\(^o\) - (90 + 33)\(^o\)
= 180\(^o\) - 123\(^o\)
= 57\(^o\)
Source: Myschool Past Questions Archive (Record #45775)