Instructional Video

Volumes by Slicing

Curated and Reviewed by Lesson Planet

Find the volume of a rotational solid by integrating the area of a slice. The AP Calculus resource works through an example of finding the volume of a solid created by rotating a function about the x-axis. The presentation breaks the area formula up into pieces to be able to find each of the definite integrals.

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Additional Tags
Instructional Ideas
  • Use 3-D software to show the solid made by rotating the curve
Classroom Considerations
  • The class should know how to determine definite integrals
  • Class members need to understand how to graph trigonometric functions
  • This video is hosted on YouTube
Pros
  • The video does not take excess time to evaluate the integrals that can be done via calculators
  • The presenter recaps the general process after working the example
Cons
  • None