Find out polygon count for a selected model
The Scene Statistics window appears.
This window shows:
The total number of polygons in the scene, including all polygons in all levels of detail (LODs).
Polygon counts for the current LOD, including the total number of polygons in the LOD, the number of visible polygons, and the number of hidden polygons (including those in hidden alternatives).
The number of polygons currently selected.
Example
A scene contains a sphere with 3 LODs (one with 6 polygons, one with 12 polygons, and one with 32 polygons):