Draw a four-sided polygon and shade it's interior.

Name the line segments in the given figure. Is $P$ the end point of each line segment?

What is the difference between a line and a line segment?

Compare the two line segments $PQ$ and $RS$ using a divider.

Verify that:

$\overline{AE}=\overline{AB}+\overline{BC}+\overline{CD}+\overline{DE}$

How many lines can pass through one given point?

How many lines can pass through two given points?

Name the points which are in the exterior of the closed figure.

Name the points which are in the interior of the closed figure.