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

12-11.

**Multiple Choice:** In the diagram below, the value of *x* is: Homework Help ✎

a. 1 | b. 2 | c. 3 | d. 4 | d. None of these |

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

B