How to Derive Formulas for a Frustum Based on Triangle Similarities?

[bannakapil]

can anyone give derivations for formulas for finding volume,curved surface areas,total surface areas..of a frustrum...based on similarities of triangles...


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[Astronuc]

Try this resource -

http://mathworld.wolfram.com/PappussCentroidTheorem.html

http://mathworld.wolfram.com/SurfaceofRevolution.html

http://mathworld.wolfram.com/SolidofRevolution.html

http://mathworld.wolfram.com/SurfaceArea.html