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PQRS is a cyclic quadrilateral. If ∠QPS = 75°, what is the size of ∠QRS?

PQRS is a cyclic quadrilateral. If ∠QPS = 75°, what is the size of ∠QRS?
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  • A 180o
  • B 150o
  • C 105o
  • D 75o
Correct Answer: Option C
Explanation:



< QPS = 75°
< QRS = 180° - 75° = 105° (opposite angles of a cyclic quadrilateral)

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