Question

which is the correct notation for line segment ab? * mark only one oval option 1: $overline{ab}$ option 2: $overleftrightarrow{ab}$ option 3: $overrightarrow{ab}$ option 4: $overleftarrow{ab}$

Explanation:

The notation for a line - segment with endpoints A and B is $\overline{AB}$. A line - segment is a part of a line that has two endpoints. The over - bar without an arrow indicates a line - segment. The notations with arrows ($\overrightarrow{AB}$, $\overleftarrow{AB}$) represent rays, and $\overleftrightarrow{AB}$ represents a line.

Answer:

Option 1. $\overline{AB}$