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.

“This 1990 work on paper from Sol LeWitt is subtle but poignant in the way the artist expresses a central motif of variations on a line as ‘vertical strokes, not straight, not touching.’ It is noted ...

How to add vertical lines to a Word document using Office 365 Your email has been sent The article How to add horizontal lines to a Word 2016 document shows you two ways to add horizontal lines to a ...

If you are a beginner and want to learn how to use Google Drawings effectively, here are some best tips and tricks for you. As it is a free-hand drawing tool, Guides help you place all the elements ...