1l. In Fig. 6.40, E is a point on side CBproduced of an isosceles tria – InterviewSolution

1.	1l. In Fig. 6.40, E is a point on side CBproduced of an isosceles triangle ABCwith AB = AC. IfAD丄BC and EF丄AC,prove that Δ ABD-Δ ECE
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