AutoCAD 2016 Tutorial for Beginners - 1 (Part 2 of 2). Topics covered in this tutorial are:
AutoCAD line in angle
AutoCAD object snap
AutoCAD object snap shortcut
AutoCAD object snap override
AutoCAD object snap mode
AutoCAD perpendicular line command
AutoCAD tangent line to circle
AutoCAD new drawing

AutoCAD 2016 Tutorial for Beginners - 1 (Part 1 of 2) : https://www.youtube.com/watch?v=ojuz0rzt67M