jakob25v jakob25v

07-03-2021
Mathematics

contestada

If ∆ABC≅∆DEF, and AB=15, BC=20, and FE=3x-7, then x=?

Respuesta :

nikita2k20n nikita2k20n

07-03-2021

Answer:

x= 29

Step-by-step explanation:

Since, ∆ABC is congruent to ∆DEF,

AB= DE....(i)

BC= EF....(ii)

AC= DF....(iii)

From (ii), BC= EF,

So, 3x-7 = 20

3x= 20+7= 27

x= 27/3 = 9

Hope it helps you

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