which line segment is a perpendicular bisector?

which line segment is a perpendicular bisector?
Answer
Explanation:
Step1: Recall perpendicular - bisector definition
A perpendicular bisector is a line segment that is perpendicular to another line segment and also bisects it.
Step2: Analyze the given triangle
In the triangle, we see that $\overline{FE}$ is perpendicular to $\overline{GD}$ (right - angle symbol) and also $FG = FD=27$. So $\overline{FE}$ bisects $\overline{GD}$.
Answer:
$\overline{FE}$