2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132619We summarize the results presented in Working Group 5 (WG5) of the CKM 2006 Workshop in Nagoya. The charge of WG5 was to discuss the measurements of unitarity triangle angles $β/ϕ_1$ and $γ/ϕ_3$ from $B$-meson decays containing charm quark(s) in the final states.9 pages, 8 postscript figures, to appear in the proceedings of 4th International Workshop on the CKM Unitarity Triangle (CKM 2006), Nagoya, Japan, 12-16 Dec 2006High Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext