A New Proof of Cavalieri's Quadrature Formula

N. J. Wildberger. A New Proof of Cavalieri's Quadrature Formula. The American Mathematical Monthly, 109(9):843-845, 2002. [doi]

@article{Wildberger02,
  title = {A New Proof of Cavalieri's Quadrature Formula},
  author = {N. J. Wildberger},
  year = {2002},
  url = {http://www.jstor.org/stable/3072373},
  researchr = {https://researchr.org/publication/Wildberger02},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {109},
  number = {9},
  pages = {843-845},
}