Respuesta :

The value of x is 16. Each side from Triangle B is multiplied by 4 to achieve the amount in Triangle A.

Answer:

The value of x is [tex]16\ units[/tex]

Step-by-step explanation:

we know that

If two figures are similar , then the ratio of its corresponding sides is equal

In this problem

[tex]\frac{x}{4}=\frac{12}{3}=\frac{20}{5}[/tex]

therefore

[tex]\frac{x}{4}=4[/tex]

[tex]x=16\ units[/tex]