NCERT Exercise 6.3 - Q11 - Triangles
Question: In Fig. 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If AD is perpendicular to BC and EF is perpendicular to AC, prove that ABD ~ ECF. A B C D E F Fig. 6.40
Answer: \Delta ABD ~ \Delta ECF
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