This command will label and report the interior and exterior angles between two directions. The angles can be defined by three points, or by two line or polyline segments that have a common endpoint. An example of labeling interior and exterior angles is shown below. The Both option will label interior and exterior angles simultaneously.
Define angle by, Points/<select line or polyline>:
pick a polyline segment
Select adjoining line or polyline: pick another polyline
segment
Interior: 72d39'46" Exterior: 287d20'14"
Angle to label (<Interior>/Exterior/Both/None)?
press Enter
Typing B for Both labels both the interior and exterior angles.
Define angle by, Points/<select line or polyline>:
press Enter to end
Pulldown Menu Location: Annotate
Keyboard Command: labang
Prerequisite: None
File Name: \lsp\angle.lsp