Parallel & Perpendicular Lines

Front

What are parallel lines?

Back

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

Front

What are perpendicular lines?

Back

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

Front

What is an example of parallel lines in real life?

Back

The yellow yard lines on a football field.

Front

What is an example of perpendicular lines in real life?

Back

The black lines on a Railroad Crossing sign.

Front

How can you identify perpendicular lines in a figure?

Back

Look for lines that form a right angle (90 degrees) when they intersect.

Front

How can you identify parallel lines in a figure?

Back

Look for lines that are equidistant and never intersect.

Front

What is the symbol used to denote parallel lines?

Back

The symbol '||' is used to denote parallel lines.

Front

What is the symbol used to denote perpendicular lines?

Back

The symbol '⊥' is used to denote perpendicular lines.

Front

If two lines intersect and form a right angle, what type of lines are they?

Back

They are perpendicular lines.

Front

If two lines are always the same distance apart, what type of lines are they?

Back

They are parallel lines.