Question

what does the following notation describe? $overline{ab}paralleloverline{dc}$
two congruent segments
two parallel lines
two parallel segments

Explanation:

The symbol $\parallel$ between two - segment notations $\overline{AB}$ and $\overline{DC}$ indicates that the line - segment $\overline{AB}$ is parallel to the line - segment $\overline{DC}$.

Answer:

C. two parallel segments