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In \(∆ ABC\), \(D\), \(E\) and \(F\) are respectively the mid-points of sides \(AB, BC\) and \(CA\) (see Fig. ).  Show that \(∆ ABC\) is divided into four congruent triangles by joining \(D, E\) and \(F\).
 
YCIND_240320_6121_quad_6.png
 
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This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.