Acute Sets in Euclidean Spaces

If the five 3D coordinates 003 044 330 404 443 are plotted, all angles in all triangles are acute, so this is an example of an acute set. It was shown recently that nine points could form an acute set in four dimensions [1–3].


  • [Snapshot]
  • [Snapshot]
  • [Snapshot]


[1] D. Zakharov, "Acute Sets."
[2] B. Gerencsér and V. Harangi, "Acute Sets of Exponentially Optimal Size."
[3] Ed Pegg Jr. "Tight Acute Sets." Mathematics Stack Exchange. (Jan 9, 2018)
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.