You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Tools+Mapped+to+Menus
Perpendicular
Creates a line perpendicular to an existing line.
Tip: This tool creates a line from an existing line. To create a perpendicular line to a line, you can use the "J" SEKE (see Running and Local Snaps.
- Select an existing line.
- Select the point on the existing line where the perpendicular line will start. You can select a point past the endpoints.
- Select a third point to set the length of the perpendicular line, or enter the length in the Inspector Bar.
Local menu option:
Limit to Segment: The perpendicular line cannot extend past the endpoints of the existing line.
Tip: To draw a line perpendicular to an arc or circle, draw a single Line from the center of the arc or circle to its destination, then trim the line.