Perpendicular Lines form right angles at their point of intersection
Perpendicular
Lines that intersect to form right angles at their point of intersection have slopes that are negative reciprocals.
Perpendicular lines
Perpendicular lines
They are perpendicular lines
Perpendicular
These are called perpendicular lines.
They are perpendicular lines
perpendicular lines! :D
perpendicular lines
they are called perpendicular lines!!