Lines, Line Segments, Parallel, Perpendicular Lines

Front

What kind of lines are these?

Back

Parallel lines

Front

What are parallel lines?

Back

Lines that never intersect

Front

Another name for a square corner is...

Back

right angle

Front

What is this?

Back

Line

Front

Parallel lines cross one another, or intersect.

Back

false

Front

What are line segments?

Back

Parts of a line that have two endpoints

Front

What do we call lines that meet at a right angle?

Back

Perpendicular lines

Front

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

Back

A line goes on forever in both directions, while a line segment has two endpoints.

Front

What do we call lines that never meet?

Back

Parallel lines

Front

What is a right angle?

Back

An angle that measures 90 degrees