Perpendicular Constraint

  1. Select Drafting | Constraints | Add perpendicular constraint.
  2. Select a line (A).
  3. Select a second line (B).

Select line elements, and then select the Constraints> Perpendicular function from the context-sensitive menu.

Note:
  • When drawing a rectangle using the Rectangle function, the corners will be perpendicular.
  • If you add a line perpendicular to another line by using the T key, a perpendicular constraint is automatically created.