From 08e0072e35fbc3339276d4d96fec0e67e175ed8e Mon Sep 17 00:00:00 2001 From: Vectornaut Date: Tue, 27 May 2025 23:27:22 +0000 Subject: [PATCH] Add the tetrahedron radius ratio problem --- Test-problems.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Test-problems.md b/Test-problems.md index 3a6fbc2..5e7dfb5 100644 --- a/Test-problems.md +++ b/Test-problems.md @@ -25,6 +25,12 @@ for some positive $r$, $s$. Show that $A$, $B$, $C$, $D$, $E$, $F$ must be the v As of pull request #84, you can place six points in a rough planar hexagon, impose the distance constraints for some chosen $r$ and $s$, and see that the assembly becomes an equiangular planar hexagon, which seems to be rigid when you nudge the points. +### Tetrahedron radius ratio + +#### Statement + +Find the ratio between the inradius and the circumradius of a regular tetrahedron. + ### Irisawa's hexlet #### Source