Question
In the adjoining figure, name:
  1. Four line segments.
  2. Four rays.
  3. Two non-intersecting line segments.

Answer

Line segments are:
  1. $\overline{\text{PR}}$
This is because it has two end point P and R.

$\overline{\text{QS}}$

This is because it has two end point Q and S.

$\overline{\text{PQ}}$

This is because it has two end point P and Q.

$\overline{\text{RS}}$

This is because it has two end point R and S.
  1. Rays are:
$\overrightarrow{\text{PA}}$

This is because it has only one end point P.

$\overrightarrow{\text{RB}}$

This is because it has only one end point R.

$\overrightarrow{\text{QC}}$

This is because it has only one end point Q.

$\overrightarrow{\text{SD}}$

This is because it has only one end point S.
  1. $\overline{\text{PR}}$ and $\overline{\text{QS}}$ are the two non-intersecting line segments as they do not have any point in common.

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