what is the value of x
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X=10
As it is a cyclic Quadrilateral in which the sum of opposite angles is 180
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Opposite angles are supplementary to each other ;
The Sum of the angles should be 180 degrees
Hence ; 81+89+ 10 = 180 degrees
The Sum of the angles should be 180 degrees
Hence ; 81+89+ 10 = 180 degrees
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