9909 / 18210 · Workshop 82 — Symmetrical Harmony and Harmonic Geometry: Diminished Cycles, Augmented Triads, Whole-Tone Motion, Major-Third Systems, and Escaping Ordinary Tonal Gravity← prev⊞ allnext → 82.2Now augmented triad
C augmented:
C-E-G♯

Intervals:
C→E = major 3rd.
E→G♯ = major 3rd.
G♯→C = major 3rd.
Perfect symmetry.