2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/35820Using a simple analysis based on the measurement procedure for a quantized area we explain the 1/4 factor in the Bekenstein-Hawking black hole formula A/4 for the entropy.8 pages, Latex, 2 ps-filesGeneral Relativity and Quantum Cosmologytext