LENGTHEN command
Changes the length of open objects such as lines, polyline segments and arcs.
Icon: 
Alias: EDITLEN, LEN
Method
There are four methods to change an object’s length.
- Dynamic
- Increment
- Percent
- Total length
Note: By selecting an object, the current length is listed in
the Command line.
Options
- DYnamic
- Specify a point to define the starting point of the object.Note: The direction of the object won’t change.
- edit Mode
- Returns to original prompt to switch lengthening modes.
- Increment
- Changes the length by a specified amount.
- Angle
- Changes the angle by a specified amount.
- Percent
- Changes the length of entities by a percentage.Note: : For example, enter 25 (for 25%), and a 1"-long line is shorted to 0.25". Enter 150%, and the 1" line becomes 1.5".
- Total
- Enter the new total length of the object.