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\(E\) and \(F\) are points on the sides \(PQ\) and \(PR\) respectively of a \(\Delta PQR\). For the following case, state whether \(EF||QR\):
 
\(PQ = 1.28 \ cm\), \(PR = 2.56 \ cm\), \(PE = 0.18 \ cm\) and \(PF = 0.36 \ cm\)
 
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