Problems $2$ & $3.$ For the structural member combinations shown below, find the location of the centroid and calculate the centroidal moments of inertia.

Problem $,($:$1x=39\mathrm{.}59{10}^{6}m{m}^4,Iy=8\mathrm{.}51{10}^{6}m{m}^4\}$

Problem $,Ix=1\mathrm{.}48{10}^{6}m{m}^4,ly=1\mathrm{.}32{10}^{6}m{m}^4)$