Triangle, n = 3 proven

A = 1
= 1.00000000000000000000000000000000000000000000…
A unique minimal triangle.

Symmetry

3-fold dihedral symmetry (group D3, order 6).

3 points in 1 orbit (3) — hover a point to see its orbit.

Minimal triangles

1 triangle tied (within relative 10−9) at the minimal area:

countside lengthstriangles (point indices)
1 1.5197 · 1.5197 · 1.5197 (0,1,2)

Provenance

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