Pappus' Centroid Theorem

Author:Steve Phelps

The volume of a solid formed by rotating a planar region about an axis is equal to the product of the area of the planar region and the distance the centroid travels around the axis.

New Resources

Rotating Plane Figures to Form Solids
Isosceles Right Triangle
GeoGebra 3D Modeling Workshop (March 8 2024)
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Squaring a Rectangle (PST Version)

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Parabola 1
Constructions Project #1
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Andy Lin_Testing similarity theorems
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Discover Topics

Pyramid
General Quadrilateral
Centroid or Barycenter
Differential Calculus
Histogram