Right answer is (c) 2.08
Easiest explanation: where I = the moment of inertia and A= area and θ = the angle of inclination of the lamina to the horizontal. Now, y = 1 + 3 – 1 / 2 = 2m, each side of the lamina = =8; sin θ = 3-1/4 = ^ 1 ⁄ 2. Thus, yCP = 2.08m.