PQRS is a cyclic quadrilateral. If ∠QPS = 75°, what is the size of ∠QRS?
- 180o
- 150o
-
105o
- 75o
The correct answer is: C
Explanation
< QPS = 75°
< QRS = 180° - 75° = 105° (opposite angles of a cyclic quadrilateral)