Question

What does the notation below indicate?

Answer 1

The correct option is (a) two parallel lines.

Explanation:

`(a) \: two \: parallel \: lines \: \: \: \: \: ( \overleftrightarrow{AB} \parallel \overleftrightarrow{DC})`

`(b) \: two \: parallel \: segments\: \: \: ( \overline{AB} \parallel \overline{DC})`

`(c) \: two \: perpendicular \: segments \: \: \: ( \overline{AB} \perp \overline{DC})`