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In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find ...



In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x.
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  • A 25o
  • B 65o
  • C 115o
  • D 130o
Correct Answer: Option B
Explanation:
x = 65o (An interior angle of a cyclic quadrilateral = opposite exterior angle).

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