In the diagram O is the centre of the circle an... - WAEC Mathematics 2008 Question
In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x.
A
25o
B
65o
C
115o
D
130o
correct option: b
x = 65o (An interior angle of a cyclic quadrilateral = opposite exterior angle).
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