Pierakstīties
WAEC - Mathematics (2008 - No. 40)
In the diagram, O is the centre of the circle and PQRS is a cyclic quadrilateral. Find the value of x.
25
o
65
o
115
o
130
o
Paskaidrojums
x = 65
o
(An interior angle of a cyclic quadrilateral = opposite exterior angle).
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