Question 25

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waecmaths question: 

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

Option A: 

25o

Option B: 

 65o

Option C: 

115o

Option D: 

130o

waecmaths solution: 

$x=\angle PSR=\angle ZQR={{65}^{\circ }}\text{   }\!\!\{\!\!\text{ opp interior }\angle \text{ of cyclic quad}=\text{ ext }\angle \text{ of the opp }\angle \text{ cyclic quad }\!\!\}\!\!\text{ }$ 

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