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A triangle right angled at \(Q\) has the dimensions \(QR\) \(=\) 12, \(PQ\) \(=\) \(p\) and \(PR\) \(=\) p+4. If so, find the value of the unknown sides \(PQ\) and \(PR\).
 
Answer:
 
The measure of the side \(PQ\) \(=\) .
 
The measure of the side \(PR\) \(=\) .