Add an Angle Constraint

  1. Select Sketch | Constraints | Add angle constraint.
  2. Select the first line. This line keeps its position.
  3. Select the second line. This line moves so that it is in the desired angle in relation to the first line.
  4. Select the position of the dimension.
  5. Edit the data in the Edit constraint dialog box.
  6. Select OK.
  7. Add more angle constraints by repeating steps 2-6 or finish adding angle constraints by pressing the ESC key or the middle mouse button.