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\(\Delta ABC\) and \(\Delta DEF\) are two triangles in which \(AB = DF\), \(\angle ACB = 70^\circ\), \(\angle ABC = 60^\circ\); \(\angle DEF = 70^\circ\) and \(\angle EDF = 60^\circ\).
 
Prove that the triangles are congruent.
 
Important!
This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.