Question

I don’t know how to do it please help

Answer 1

Answer:

37.5

Step-by-step explanation:

First you have to realize that these are similar triangles.

You can do a easy cross multiplication with these types of questions by forming an equation with the similar angles.

put the smaller above the decimal and the bigger one below like this.

$\frac{8}{25}$=$\frac{12}{x}$

Now cross multiply

8x=300

x=37.5