The triangles shown are similar. Use the image to answer the question.

a triangle DEF with side DF labeled 13 and a second overlapping triangle GEH with side GH labeled 4 and EH labeled 8

Determine the length of side FE.

18
20
21
26

To find the length of side FE, we can set up a proportion using the given side lengths of the two triangles.

In triangle DEF, the ratio of side lengths is 13:4. In triangle GEH, the ratio of side lengths is 13:8.

Setting up the proportion:

13/4 = x/8

Cross multiplying:

4x = 104

Divide by 4:

x = 26

Therefore, the length of side FE is 26.

So, the correct answer is 26.