In arcgis, I want to fuse two selected patches (as shown) and sum the area fields. What should I do? Ask god for guidance. . urgent

Use the editing tool to select these two features on the schematic diagram, then click the "Merge" command in the editor toolbar, and then select the features to be merged. The selected features will be retained and the other feature will be merged at the selected point. The Area field is automatically updated with new data.