In accordance with Rankine's theory for lateral active earth pressure on a retaining wall, with horizontal backfill. What angle of internal friction, in degrees, results in a coefficient of lateral earth pressure equal to 0.50 ?br -br paki pindot po sa "LIKE" button mga Engr.br and click SUBSCRIBE na rin po if hindi pa po kayo naka "SUBSCRIBE"br br Maraming salamat po sa inyo mga Engineers and Future Engineers.br mabuhay po kayong lahat.