Remark
The value of x is found by taking the sum of the two arcs (both given) and dividing that sum by two
Sub and solve
[tex] \text{x} =\dfrac{\overset{\LARGE{\frown}}{NO} + \overset{\LARGE{\frown}}{PQ}}{2} = \dfrac{45+ 65}{2} = \dfrac{110}{2} = \text{55} [/tex]
