Instructional Video
Khan Academy

Khan Academy: Disc Method: Disc Method Rotating Around Vertical Line

9th - 10th
Volume of solid created by rotating around vertical line that is not the y-axis using the disc method.
Instructional Video
Khan Academy

Khan Academy: Shell Method: Part 2 of Shell Method With 2 Functions of Y

9th - 10th
This video evaluate the volume of a solid using the shell method.