The Centroid of a Region:
Pappus's Theorem on Volumes:
![[Maple OLE 2.0 Object]](images/CentPract3.gif){kind=small}
![[Maple OLE 2.0 Object]](images/CentPract4.gif)
![[Maple OLE 2.0 Object]](images/CentPract5.gif)
![[Maple OLE 2.0 Object]](images/CentPract6.gif)
![[Maple OLE 2.0 Object]](images/CentPract7.gif)
![[Maple OLE 2.0 Object]](images/CentPract8.gif)