## jaylelile one year ago find the value of x. picture below.

1. jaylelile

2. Nnesha

|dw:1433722042129:dw|red line is half of blue line

3. Nnesha

|dw:1433722095438:dw|$\huge\rm a =\frac{ b }{ 2 }$

4. jaylelile

where do I go from there?

5. jaylelile

I'm still confused.

6. anonymous

Do you know that the smaller triangle is similar to the larger?

7. anonymous

Corresponding sides in similar triangles are in the same proportion: do you think you can figure it out from here?

8. jaylelile

I don't know how to figure it out. What are the steps?