### Home > GC > Chapter 6 > Lesson 6.1.4 > Problem 6-39

6-39.

In the diagram at right, Δ

*ABC ∼*Δ*ADE*. Homework Help ✎Draw each triangle separately on your paper. Be sure to include all measurements in your diagrams.

Find the length of

.

Because they are similar triangles, the ratios of corresponding sides are equal.

What side corresponds to segment *DE*?

Set up a proportion to solve for *DE*

*DE* ≈ 15.71