2084. If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by________________? September 7, 2025 by Admin A. D = 0.00775 aP B. D = 0.0775 aP C. D = 0.07775 aP D. D = 0.775 Pa ✅ The correct answer is option A.