4C Types of lines 12/16

Front

What are parallel lines?

Back

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

Front

What are intersecting lines?

Back

Lines that cross each other at one point.

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

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 a point in geometry?

Back

A location in space that has no size or dimension.

Front

How do you denote a line segment using geometric notation?

Back

Front

How do you denote a ray using geometric notation?

Back

Using an arrow over the letters, e.g., @@ ightarrow{AB}@@.

Front

What is the symbol for parallel lines?

Back

The symbol || is used to indicate that two lines are parallel.

Front

What is the symbol for perpendicular lines?

Back

The symbol ⊥ is used to indicate that two lines are perpendicular.