Question $7$

A structural designer is experimenting with non$-$traditional cross$-$sections

for beams. On the section shown, the dimensions are $r=58mm,h_s=211$

$mm,t_s=24\mathrm{.}0mm,t_f=26\mathrm{.}6mm,$ and $w_f=222mm.$ What is the second

moment of area around the centroidal $x$ axis, in $m{m}^4?$

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