In the diagram, O is the centre of the circle and PQRS is a cyclic...
MATHEMATICS
WAEC 2008
In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x.
- A. 25°
- B. 65°
- C. 115°
- D. 130°
Correct Answer: B. 65°
Explanation
x = 65° (An interior angle of a cyclic quadrilateral = opposite exterior angle).
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