### Home > APCALC > Chapter 7 > Lesson 7.1.2 > Problem 7-20

7-20.

Do you see two similar overlapping triangles? Recall that similar triangles have proportional sides. Set up a proportion and solve for .

7-20.

Do you see two similar overlapping triangles? Recall that similar triangles have proportional sides. Set up a proportion and solve for .