The Cosine Code: Unlocking the Value of \(x\)

The diagram shows \(\Delta ABD\) with point \(C\) lying on the line \(BD\).

It is given that \(AB=7.5\) m, \(AC=7.2\) m, \(CD=8\) m and \(\angle ACD=118{}^\circ\).

1. Find \(\angle ABC\).
2. Calculate the distance \(AD\).