8. TBQ - Find the values of x and y

In the below figure, \(AB\) is parallel to \(CD\), and \(CD\) is parallel to \(EF\). Also, \(EA\) is perpendicular to \(AB\). If \(\angle BEF = 77^{\circ}\), find the values of \(x\) and \(y\).

 

 

\(x =\) \(^{\circ}\)

 

\(y =\) \(^{\circ}\)