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\(D\) and \(E\) are respectively the points on the sides \(AB\) and \(AC\) of a \(\Delta ABC\) such that \(AB = 5.6 \ cm\), \(AD = 1.4 \ cm\), \(AC = 7.2 \ cm\) and \(AE = 1.8 \ cm\), show that \(DE || BC\).
 
Answer:
 
ADBD=ii
 
AECE=ii
 
ADBD  AECE
 
By  theorem, \(DE || BC\).
 
[Note: Enter the simplified ratio.]