Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.
Add a vertical line in Microsoft Word to draw attention to special content or help define elements. The article How to add horizontal lines to a Word 2016 document shows you two ways to add horizontal ...
Straight lines can be drawn in any direction. Horizontal lines go left and right. Vertical lines go up and down. Parallel lines are a fixed distance apart and will never meet, no matter how long they ...