Question

name the six lines shown in the figure.

Explanation:

Step1: Identify lines by two - point notation

Lines are named using two points on the line. For example, a line passing through points $M$ and $N$ can be named $\overleftrightarrow{MN}$.

Step2: Name each line in the figure

The six lines are $\overleftrightarrow{MN}$, $\overleftrightarrow{MP}$, $\overleftrightarrow{NP}$, $\overleftrightarrow{MO}$, $\overleftrightarrow{NO}$, $\overleftrightarrow{PO}$.

Answer:

$\overleftrightarrow{MN}$, $\overleftrightarrow{MP}$, $\overleftrightarrow{NP}$, $\overleftrightarrow{MO}$, $\overleftrightarrow{NO}$, $\overleftrightarrow{PO}$