1- Find the centroid of the shape shown in the figure and obtain the second moment of inertia (I) of the area.

If: B = 20 cm, H = 36 cm, d = 10 cm, CL₂ = 10 cm

2- Find the centroid of the shape shown in the figure and obtain the second moment of inertia (I) of the area.

If: B = 20 cm, H = 36 cm, b = 12 cm, h = 6 cm, CL₂ = 10 cm