PDF chapter test TRY NOW

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