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ยง6.2: Volumes by Known Cross Sections

Here we calculate the volume of solids that are not formed by rotation. Instead, we integrate the area formula $A(x)$ of a shape (square, triangle, etc.) as it slides along a base region.

Library, Handouts & Tools

Resource Name Type Description Link
Interactive Slicing Visualizer GeoGebra Tool Visualize squares and triangles stacking up on a circular base. Launch App
Paul's Notes: More Volume Problems Study Guide Dedicated section for pyramids and cross-section problems (not rotation). Read Notes
Paul's Notes: Practice Problems Problem Set Practice calculating volumes of solids that are not solids of revolution (e.g. using cross-sections). View Problems
Formula Cheat Sheet Handout Area formulas for Triangles, Semicircles, and Squares. Download PDF

Video Lectures

Topic Source Description Link
Volumes by Known Cross Sections Univ. of Houston Visualizing solids formed by stacking shapes rather than rotation. Watch
Squares & Triangles Examples Houston Math Prep Detailed walkthrough of setting up integrals for square and triangle slices. Watch