2193. per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________? September 7, 2025 by Admin A. wh [(1 – )/(1 + sin )] B. wh² [(1 – )/(1 + sin )] C. wh² [(1 – )/2(1 + sin )] D. wh² [(1 – )/3(1 + sin )] ✅ The correct answer is option C.