### Constructing a Perpendicular Line

A line can be constructed perpendicular to the first input feature and passing through the centroid of the second input feature.

To construct a Perpendicular Line:

1. Access the Construct Line dialog box (Insert | Feature | Constructed | Line).

2. Select the Perpendicular option.

3. Select two features of any type.

4. Click the Create button.

The Edit window command line for this option would read:
CONSTR/LINE,PRTO,feat_1,feat_2,length

Constructing a Perpendicular Line | A - Line constructed perpendicular to the first feature and through the center of the second feature. B - First feature C - Second feature D - FRONT