5. Find the degree measure of 'x'

 

\(O\) is the centre of the circle and the line segment \(OA\) bisects the \(\angle A\). If the value of \(z\) is 99\(^{\circ}\) then, find the value of \(x\).

 

Answer:

 

The value of \(x\) is \(^{\circ}\).