3. Find the required lengths

In figure, \(PA\), \(QB\), \(RC\) and \(SD\) are all perpendiculars to a line \(l\), \(AB = 6 \ cm\), \(BC = 9 \ cm\), \(CD = 12 \ cm\) and \(SP = 36 \ cm\). Find \(PQ\), \(QR\) and \(RS\).

 

 

\(PQ = \) \(cm\)

 

\(QR = \) \(cm\)

 

\(RS = \) \(cm\)