Creating the Third Spline

  1. Click Spline (Sketch toolbar).
  2. Sketch a two-point spline coincident between the end point of the vertical construction line and the horizontal construction line just added.
  3. Click Add Relation (Dimensions/Relations toolbar).
  4. In the graphics area, select the spline and the vertical construction line.
  5. In the PropertyManager, under Add Relations, click Tangent , then click .