PQRS is a cyclic quadrilateral. If ∠QPS = 75^\circ, what is the size of ∠QRS?
A
180o
B
150o
C
105o
D
75o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
< QPS = 75^\circ
< QRS = 180^\circ - 75^\circ = 105^\circ (opposite angles of a cyclic quadrilateral)
Source: Myschool Past Questions Archive (Record #26584)