How to compute $\sum 1/n^2$ by solving triangles

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/120957A new simple geometric method is presented for finding the exact value of $\sum_{n=1}^\infty 1/n^2$.8 pages, 7 figuresGeneral Mathematics00A05How to compute $\sum 1/n^2$ by solving trianglestext