In the given figure, if ∠ADE = ∠ABC, then CE =


In the given figure, if ∠ADE = ∠ABC, then CE =

(a) 2
(b) 5
(c) 9/2
(d) 3


Given: $\angle \mathrm{ADE}=\angle \mathrm{ABC}$

To find: The value of CE

Since $\angle \mathrm{ADE}=\angle \mathrm{ABC}$

$\therefore \mathrm{DE} \| \mathrm{BC}$ (Two lines are parallel if the corresponding angles formed are equal)

According to basic proportionality theorem if a line is parallel to one side of a triangle intersecting the other two sides, then it divides the two sides in the same ratio.

In ∆ABC, DE || BC


$\frac{2}{3}=\frac{3}{E C}$

$\mathrm{EC}=\frac{3 \times 3}{2}$


Hence we got the result $(c)$.



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May 5, 2023, 6:35 a.m.
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