larrylobster199956 larrylobster199956

11-08-2021
Mathematics

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In the triangle shown, AB = 2x + 9 and BC = 5x – 12. Find the value of x.

In the triangle shown AB 2x 9 and BC 5x 12 Find the value of x class=

Respuesta :

sy0011223344 sy0011223344

11-08-2021

Answer:

x=7

Step-by-step explanation:

AB=BC[ because two sides of isosceles triangles are equal ]

or, 2x+9=5x-12

or,9+12=5x-2x

or,21=3x

or,x= 21/3

therefore, x=3

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