Polygon Edit History Talk0 23,550pages on this wiki Definition Edit A polygon is “ a feature in GIS used to represent areas (versus a point, or a line). A polygon is defined by the lines that make up its boundary. On a map, the closed shape representing the area is defined by a connected sequence of coordinates, or x,y pairs.[1] ” References Edit ↑ Geospatial Information and Geographic Information Systems (GIS): An Overview for Congress, at 3. Read more A projection is ↑ Geospatial Information and Geographic Information Systems (GIS): An Overview... Projection Coordinate geometry (COGO) is ↑ FEMA Glossary of Terms (full-text). Coordinate geometry A datum is Datum is the singular of data. ↑ Geospatial Information and Geographic Information... Datum Categories: Definition Mathematics Data Geospatial Add category Cancel Save