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In the given figure, \(E\) is a point on side \(CB\) produced of an isosceles triangle \(ABC\) with \(AB = AC\). If \(AD \perp BC\) and \(EF \perp AC\), prove that \(\Delta ABD \sim \Delta ECF\).
 
YCIND_240214_6037_a_42.png
 
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