AutoCAD 2008 User's Guide > Create and Modify Objects > Change Existing Objects > Modify Complex Objects > Modify or Join Polylines > 
Modify or Join Polylines
Concept Procedure Quick Reference
 
 
 

To modify a polyline

To join polylines, lines, and arcs into a single polyline

To delete a vertex in a polyline

To taper the width of individual polyline segments