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Unit 8: Applications of Integration

Volume with Disc Method: Revolving Around the x- or y-Axis

Find the volume of a solid formed by spinning a region around the x- or y-axis by adding up circular slices, each with area pi times radius squared.

Topic 8.9 · 6 min read

This lesson comes with the AP Calculus AB plan

In this lesson

  1. 01Why every slice is a disc
  2. 02Checking the formula on shapes you know
  3. 03Revolving about the y-axis
  4. 04Worked examples
  5. 05Where students lose points
  6. 06On the exam

The first units’ lessons are free. The plan opens every lesson, every practice question with worked solutions, your study plan and calendar, for $14.49 a month. Cancel any time.

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