Kinds of Lines

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet or intersect, no matter how far they are extended.

Front

Give an example of parallel lines.

Back

The rails of a train track are an example of parallel lines.

Front

What are intersecting lines?

Back

Intersecting lines are lines that cross each other at one point.

Front

Give an example of intersecting lines.

Back

The hands of a clock at 3:30 form intersecting lines.

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

Give an example of perpendicular lines.

Back

The corner of a square or rectangle is formed by perpendicular lines.

Front

What is the symbol for parallel lines?

Back

The symbol for parallel lines is '||'.

Front

What is the symbol for perpendicular lines?

Back

The symbol for perpendicular lines is '⊥'.

Front

How can you identify parallel lines in a drawing?

Back

Parallel lines will have the same distance between them at all points and will never meet.

Front

How can you identify intersecting lines in a drawing?

Back

Intersecting lines will cross each other at one point.