Adding the Tangential Constraint in a Drawing
This function can be used to make two elements tangential. The tangent can be set at the point where the ends of the elements meet. You can also add a tangent for elements whose ends do not meet.

- Select Modeling | Connection | 
        Distance > 
        Tangential. - Select a line (A).
 - Select the line (B). The elements will be set so that the constraint is realized.
 
 Determining a tangent for elements whose ends do not meet. 

