Intersecting, Parallel, Perpendicular

Front

What are parallel lines?

Back

Lines that run in the same direction and never meet.

Front

What are perpendicular lines?

Back

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

Front

What are intersecting lines?

Back

Lines that cross each other at any angle.

Front

Give an example of parallel lines in real life.

Back

Train tracks.

Front

Give an example of perpendicular lines in real life.

Back

The corner of a square or rectangle.

Front

Give an example of intersecting lines in real life.

Back

The intersection of two roads.

Front

How can you identify parallel lines in a figure?

Back

They will never touch and are equidistant apart.

Front

How can you identify perpendicular lines in a figure?

Back

They form a right angle (90 degrees) where they meet.

Front

How can you identify intersecting lines in a figure?

Back

They cross each other at any angle.

Front

What is the symbol for parallel lines?

Back

|| (two vertical lines)