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In the Given Figure, ∠1 = ∠2 and `(Ac)/(Bd)=(Cb)/(Ce)` Prove that δ Acb ~ δ Dce. - Mathematics

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Question

In the given figure, ∠1 = ∠2 and `(AC)/(BD)=(CB)/(CE)`   Prove that Δ ACB ~ Δ DCE. 

Solution

We have : 

`(AC)/(BD)=(CB)/(CE)` 

⟹ `(AC)/(CB)=(CD)/(CE)` (𝑆𝑖𝑛𝑐𝑒,𝐵𝐷=𝐷𝐶 𝑎𝑠 ∠1= ∠2 )
Also, ∠1= ∠2
i.e, ∠𝐷𝐵𝐶=∠𝐴𝐶𝐵
Therefore, by SAS similarity theorem, we get :
Δ ACB - Δ DCE 

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Chapter 4: Triangles - Exercises 2

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RS Aggarwal Mathematics [English] Class 10
Chapter 4 Triangles
Exercises 2 | Q 15

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