Volumes-by-Cross-Sections Review

 

The following questions refer to the first-quadrant region bounded by  and .

 

Set-up but do not evaluate the integrals.

 

 

 

 

 

         1.          Find the volume of the region generated when rotated about the x-axis.

         2.          Find the volume of the region generated when rotated about the y-axis.

         3.          Find the volume of the region generated when rotated about y = -2.

         4.          Find the volume when cross-sections perpendicular to the x-axis are sides of squares.

         5.          Find the volume of the region generated when rotated about x = 2.

         6.          Find the volume when cross-sections perpendicular to the y-axis are legs of isosceles right triangles.

         7.          Find the volume of the region generated when rotated about y = 5.

         8.          Find the volume when cross-sections perpendicular to the x-axis are diameters of circles.

         9.          Find the volume of the region generated when rotated about x = -3.

     10.          Find the volume when cross-sections perpendicular to the y-axis are sides of squares.