For the composite area shown below, find the centroid $($ and $),$ the

area moments of inertia $($ and $),$ and the centroidal moments of inertia $($ and $).$

Answer $=0\mathrm{.}391$ in$,=0\mathrm{.}191$ in$,=5\mathrm{.}19103$ in$4,=1\mathrm{.}78102$ in$4,$

$==1\mathrm{.}22103$ in$4$