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CBSE Class 10 Math 2023 All India Set-1 Solved Paper

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Question : 28 of 38
Marks: +1, -0
In the given figure, EE is a point on the side CBCB produced of an isosceles triangle ABCABC with AB=ACAB = AC. If AD⊥BCAD \perp BC and EF⊥ACEF \perp AC, then prove that △ABD∼△ECF\triangle ABD \sim \triangle ECF.
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