As far as we know, two lines can be perpendicular,
or they can be parallel, but they can't be both.
Chat with our AI personalities
Take any two lines and look at their slopes. -- If the slopes are equal, then the lines are parallel. -- If the product of the slopes is -1, then the lines are perpendicular.
These lines are perpendicular: _|
home plate
Like this: _______________________________ _______________________________ _______________________________
They look like two intersecting lines that make four right angles. Like the two lines in this L.