Changes

In [[calculus]], '''solids''' are formed by rotating a curve around an axis and integrating to find the volume.  Typically the [[integration]] is of slices cut vertically to the axis of the rotation that formed the solid.  Those slices are then integrated from one end of the solid to the other.

In [[calculus]], '''solids''' are formed by rotating a curve around an axis and integrating to find the volume.  Typically the [[integration]] is of slices cut vertically to the axis of the rotation that formed the solid.  Those slices are then integrated from one end of the solid to the other.