39. Exemplar exercise problems XII

It is given that  \(\Delta ABC \sim \Delta EDF\) such that \(AB = 5 \ cm\), \(AC = 7 \ cm\), \(DF = 15 \ cm\) and \(DE = 12 \ cm\). Find the lengths of the remaining sides of the triangles.

 

\(EF = \) \(cm\)

 

\(BC = \) \(cm\)