the line is called the normal
jetty
True
Siegfried Line. It was called the Hindenburg Line by the Allies. Siegfried Line. It was called the Hindenburg Line by the Allies.
The Berlin Wall
The Hindenburg Line.
The line perpendicular to a barrier is called the normal.
a normal
The line perpendicular to a surface at a point is called the normal
It's called a perpendicular bisector of the line segment.
A line that is at 90 degrees to another line is called a perpendicular line. Perpendicular lines intersect at right angles (90 degrees) forming a "L" shape.
'two perpendicular number lines are called'Special:Search
Perpendicular bisector.
Slopes of line perpendicular to the x-axis are undefined.
a tangent
A tangent.
The horizon runs horizontal. Perpendicular to that is VERTICAL.
it is called an altitude