Types of lines

Front

What are parallel lines?

Back

Lines that never intersect and are always the same distance apart.

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles.

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Front

What is the notation for a line segment between points J and K?

Back

Front

What is the notation for a line that extends infinitely in both directions through points F and G?

Back

@@ ightarrow FG@@.

Front

What is the notation for a ray starting at point K and passing through point J?

Back

@@ ightarrow KJ@@.

Front

What do intersecting lines do?

Back

They cross each other at one or more points.

Front

What is the best term to describe lines that are always the same distance apart?

Back

Parallel lines.

Front

What is the best term to describe lines that meet at a right angle?

Back

Perpendicular lines.