### Home > GC > Chapter 5 > Lesson 5.3.2 > Problem 5-82

5-82.

In the diagram below, * *and ,

*, and*

*then what is* ,

*?*

Separate the triangles into two similar triangles.

What is the length of ? Once you know this, since the triangles are similar, the ratios of corresponding sides are equal.

Remember to set up proportions.

units