Lines, Line Segments, Parallel, Perpendicular Lines

Front

What are parallel lines?

Back

Lines that never intersect.

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles.

Front

What is another name for a square corner?

Back

Right angle.

Front

Do parallel lines cross each other?

Back

No, parallel lines never intersect.

Front

What do you call lines that meet at a point?

Back

Intersecting lines.

Front

What is the angle formed by perpendicular lines?

Back

90 degrees.

Front

Can parallel lines be curved?

Back

No, parallel lines are straight and never meet.

Front

What is the difference between parallel and perpendicular lines?

Back

Parallel lines never meet; perpendicular lines intersect at right angles.

Front

How can you identify perpendicular lines?

Back

They form a right angle (90 degrees) when they intersect.

Front

What is an example of parallel lines in real life?

Back

Railroad tracks.