Revolution:

Disc method: revolving around x- or y-axis

Disc method: revolving around other axes

Washer method: revolving around x- or y-axis

Washer method: revolving around other axes

Disc & washer methods challenge

Cross Sections:

Volumes of solids with Cross-Sections: Squares and Rectangles (Intro)

Volumes with cross-sections: squares and rectangles

Volumes with cross-sections: triangles and semicircles

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