Equilateral Ellipse - Formula & References

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SUMMARY

The term "equilateral ellipse" is synonymous with a circle, as established by historical references including a paper by Augustus DeMorgan. The discussion clarifies that while the term may not be widely recognized in contemporary mathematics, it has been documented in older texts. Additionally, the concept may relate to ellipses inscribing triangles, as indicated by references to the Steiner ellipse and triangle ellipse inscribing principles.

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  • Understanding of basic geometric shapes, specifically ellipses and circles.
  • Familiarity with historical mathematical terminology and references.
  • Knowledge of inscribed shapes in geometry.
  • Ability to navigate academic papers and online mathematical resources.
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  • Research the historical context of the term "equilateral ellipse" in mathematical literature.
  • Explore the properties of the Steiner ellipse and its applications.
  • Study the mathematical principles behind inscribed triangles within ellipses.
  • Review Augustus DeMorgan's contributions to geometry and related mathematical concepts.
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Mathematicians, geometry enthusiasts, historians of mathematics, and educators seeking to deepen their understanding of geometric terminology and historical references.

Douglasdc
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I did and exam a while ago and one of the questions asked to find a formula for an "equilateral ellipse". In my mind an equilateral ellipse should be a circle, but it seems I am wrong.

I searched online for the term, but didn't find anything useful. Does anyone know what it is, can find a formula and give me some references?

Thanks,
Douglas.
 
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Thanks Mark. I found the term in some old books as well and they also state that a circle can be called an "equilateral ellipse".
 

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