If you use the Arc option of the Draw Feature Line command prior to drawing any segments, it defaults to drawing a three-point arc. The following prompt is displayed:
Specify arc second point or [Direction]:
Specify quadrant (1-4) or [Whole Circle Bearing/Angle]:
Use your mouse to click one of the four quadrant bearing quadrants as indicated by the temporary graphics, or enter the quadrant number at the command line.
After defining the quadrant, the following prompt is displayed:
Specify quadrant bearing or [Whole Circle Bearing/Angle]:
Use your mouse to specify the quadrant bearing or enter it at the command line. Use the DD.MMSS format.
Specify whole circle bearing or [Quadrant Bearing/Angle]:
Use your mouse to specify the whole circle bearing or enter it at the command line. Use the DD.MMSS format.
Specify arc end point or [Radius/Secondpnt/Line]:
See To Draw Curved Segments of Feature Lines for more information.