Summary of Techniques

Sections 6.2 and 6.3

 

 

 

Disk/Washer Method

Shell Method

Axis Of     Revolution

 

 

 

Slice a cross section perpendicular to the axis of revolution

Draw a rectangle (to be rotated) parallel to the axis of revolution

Horizontal

Disk:

Shell:

 

Washer:

 

Vertical

Disk:

Shell:

 

Washer: