Question

what are two other ways to name EF

Answer 1

FE or line EF can be two other ways you could name EF

Answer 2

Answer:

→If EF are points on a line , then it can be named as

 $\overleftrightarrow{EF}} \text{or} \overleftrightarrow{FE}}$

→If EF are end points of a line segment , then it can be named as

 $\overline{EF},\text{or},\overline{FE}$