Math, asked by ashwinjackson772, 11 months ago

in triangle ABC DEIIBC ,AD = 2.5cm DB=5cm AE =3cm and EC = x cm . find the value of x

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Answered by rajupati
0
This attachment is required answer.
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Answered by soumya2301
4
given :-

A triangle ABC with
DE || BC
AD = 2.5 cm
DB = 5 cm
AE = 3 cm
EC = x cm

To find :-
EC = ?

Proof :-

DE || BC ( given )
=> triangle ADE ~ triangle ABC
AD ÷ DB = AE ÷ EC ( By basic proportionality theorem )
2.5 ÷ 5 = 3 ÷ x
1 ÷ 2 = 3 ÷ x
x = 3×2
x = 6 cm
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