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The Disk Method


	This Demonstration shows a concise step-by-step derivation of the disk method. The general formula for the volume of a solid is where is the area of a cross section of the solid. In the case of the solid above, the cross section is a circle with area


	Contributed by: Lyle Cochran

Solid of Revolution (Wolfram MathWorld)

Solid of Revolution (The Wolfram Demonstrations Project)

"The Disk Method" from The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheDiskMethod/

Contributed by: Lyle Cochran

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