Ruler/Compass Constructions of Simple Ovals

  • Angelo Alessandro Mazzotti


We can now show how most ovals can be drawn with ruler and compass if enough parameters are known. And after having mastered the basic ones, one is ready to tackle more complicated problems, such as the two Frame Problems or the Stadium Problem, which we will discuss in the second part of this chapter. All the following constructions have been made with freeware Geogebra and most of them are linked through the website, as described further. The much used Connection Locus—the CL—has just been defined in Chap.  2. All constructions in this chapter are general purpose constructions, in the sense that any combination of parameters, constrained within some values, can be chosen. Further combinations of parameters then those illustrated here are listed in the Appendix, for the reader to try out and find the corresponding constructions. Selected oval forms will then be presented in Chap.  6.


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Angelo Alessandro Mazzotti
    • 1
  1. 1.RomaItaly

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