Cavalieri's Principle. Bonaventura Fransesco Cavalieri (1598-1647) was a disciple of Galileo.
The most influential of his books, Geometria Indivisibilibus Continuorum Nova quadam ratione promota, has ben completed in 1629 and published in 1635. The following excerpt, known as Cavalieri's theorem or Cavalieri's principle, is taken from Book VII, Theorem 1, Proposition 1. The Theorem. Help. Platonic Solids A Platonic solid is a polyhedron whose faces are identical regular polygons.
The ancient Greeks were able to show that there are exactly five such Platonic solids. What is Function Notation? Index. Triangle Circumcenter definition. Geometry: Circles - Math for Morons Like Us. As of July 1, 2013 ThinkQuest has been discontinued.
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