### Home > GC > Chapter 12 > Lesson 12.1.1 > Problem 12-11

12-11.

**Multiple Choice: **In the diagram at right, the value of is:

none of these

The diagram contains similar triangles. Use this fact to set up a proportion.

b. 2

12-11.

**Multiple Choice: **In the diagram at right, the value of is:

none of these

The diagram contains similar triangles. Use this fact to set up a proportion.

b. 2