### Home > GC > Chapter 6 > Lesson 6.2.3 > Problem 6-61

6-61.

**Examine** the triangles in the diagram at right.

Are the triangles similar?

**Justify**your conclusion.There are some parallel lines in the diagram.

Review Math Notes in Lesson 2.1.4 for help identifying the relationships between the angles lettered,,, andbelow.Solve for

. Show all work.When two triangles are similar, the ratios of corresponding sides are equal.

You could use a proportion.