They are perpendicular lines.
Perpendicular lines intersect to form right angles
They are called perpendicular lines that intersect each other at right angles.
Lines that intersect right angles (ninety-degree angles) are described as perpendicular.
Two lines that intersect to form right angles are perpendicular.
Lines that intersect but do not form a right are just called intersecting lines. Perpendicular lines DO form a right angle when they intersect.
perpendicular lines
I believe they are called perpendicular lines
Perpendicular lines form right angles when they intersect.
Perpendicular lines.
If two lines intersect at right angles then they are perpendicular!
Perpindickular
A right angle