Question

I don’t know how to do it please help

Answer 1

37.5

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.

`(8)/(25)`=
`(12)/(x)`

Now cross multiply

8x=300

x=37.5