Extracted text: 2. The built up section is composed of two 8x6x1 inch angles rivited to a 12x 1 inch web plate. (1) Determine the cross-sectionsl area of the built up section. (2) Determine the centroid of the built up section from the bottom of the section. 8 (3) Compute the moment of inertia with respect to the centroidal axis. 1.65 1.65 3.02 1.37 2.98 N.A. 1.37 Properties of 8x6x1 angle A = 13 in? X = 2.56 = 38.8 in ly, = 80.8 in 12 10.35 6 =8.98 y = 1.65