### Home > INT2 > Chapter 6 > Lesson 6.2.1 > Problem6-54

6-54.

If $∠ABE ≅ ∠BEF$ in the diagram below, what must be true?

1. $∠ABE ≅ ∠BED$

2. $∠ABE ≅ ∠CBE$

3. $\overleftrightarrow { A C } \| \overleftrightarrow { G H }$

4. $\overleftrightarrow { A C } \| \overleftrightarrow { D F }$

5. none of these

What needs to be true in order for angles to be congruent?

D