Volume of Revolution: About the x-axis

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This animation shows how revolving a plane region about the x-axis generates a volume. (See notes below.)


The volume of revolution that results when the region bounded by the x-axis, the line x = 1, the line x = 4, and the curve y = √x is revolved about the x-axis. (11/18/07)

Renie Award 2004 An earlier version of this animation was part of a National Curve Bank deposit that won the 2004 Renie Award.