The slope of a vertical line is undefined. The slope of a horizontal line is 0. Hope this helps.
A vertical line is 180 degrees.
It has 1 vertical line of symmetry
A vertical line!
A horizontal line is perpendicular to a vertical line.
WHY THE LINE X=4 IS A VERTICAL LINE.
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.
A horizontal line is a line perpendicular to the vertical.
all vertical lines are parallel to waht type of line?
A blinking vertical line is a cursor.
| | | vertical line segment
its a line that is vertical and a symmetry