Use: $N=4\mathrm{.}0m,S=4\mathrm{.}0m,$ all column sections are planned to be $0\mathrm{.}6m0\mathrm{.}6m.$

$12-$ The moment of inertia about the $x-$axis in $(m^4)$ is:

a$)9377\mathrm{.}31$

b$)1433\mathrm{.}60$

c$)6756\mathrm{.}60$

d$)5601\mathrm{.}84$

e$)4865\mathrm{.}05$

f$)$ none

$13-$ The eccentricity in the X$-$direction $($ex$)$ is:

a$)-0\mathrm{.}2260m$

b$)-0\mathrm{.}2933m$

c$)-0\mathrm{.}3955m$

d$)-0\mathrm{.}4520m$

e$)-0\mathrm{.}3390m$

f$)$ none