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                                      Michael Lee's Mathematics and Physics

Derivation of the formula for the volume of a circular dome.

Derivation of the formulas for the volume of a torus and its frustums.

Derivation of the Lorentz Factor, Length Contraction and Time Dilation.

Derivation of the formulas for surface areas of various Tori.  (Torus singular)

Derivation of the formulas for the surface areas of  Spheres and Domes.

Derivation of the formula for the area of a circular segment.

Derivation of the double angle formulas.