Name
ST_Perimeter2D — Returns the 2-dimensional perimeter of the geometry, if it
			is a polygon or multi-polygon.  This is currently an alias for ST_Perimeter.
Synopsis
float ST_Perimeter2D(geometry  geomA);
Description
Returns the 2-dimensional perimeter of the geometry, if it
			is a polygon or multi-polygon. 
| ![[Note]](images/note.png) |  | 
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|  This is currently an alias for ST_Perimeter. In future versions ST_Perimeter may return the highest dimension perimeter for a geometry.  This is still under consideration |