Question: What Do Perpendicular Lines Look Like

A perpendicular is a straight line that makes an angle of 90^° with another line. 90^° is also called a right angle and is marked by a little square between two perpendicular lines as shown in the figure. Here, the two lines intersect at a right angle, and hence, are said to be perpendicular to each other.

How do you know if lines are perpendicular?

Perpendicular lines intersect at right angles to one another. To figure out if two equations are perpendicular, take a look at their slopes. The slopes of perpendicular lines are opposite reciprocals of each other.

What does a parallel and perpendicular line look like?

Parallel lines are lines in a plane that are always the same distance apart. Perpendicular lines are lines that intersect at a right (90 degrees) angle.