In the given figure, \(XZ\) is parallel to \(BC\). \(AZ = 5 \ cm\), \(ZC = 5 \ cm\), \(BM = 4 \ cm\) and \(MC = 6 \ cm\). Estimate the length of \(XY\). 
 
session II ques3.png
 
\(XY = \)