...
Select Edge.1 and Edge.3 in the Mesh Edges Window. The direction of the arrows on these edges is irrelevant because the divisions will be the same length. Leave the Successive Ratio set to 1 and set the Interval Count to 30. Click Apply.
(click picture for larger image)
...
Shift left-click on the face or use the up arrow next to Faces to select the face. Click Apply.
(click picture for larger image)
...