For Problem $3\mathrm{.}10$: What is the net area $(A_n)$ of the given member?

$8$ in$^2$

$6$ in ${?}^2$

$10i{n}^2$

$12$ in$^2{?}^{?}$

Question $3$

For Problem $3\mathrm{.}20$: What is the effective net area $(A_e)$ of the given member?

$2\mathrm{.}04$ in ${?}^2$

$3\mathrm{.}06$ in ${?}^2$

$4\mathrm{.}08$ in$^2{?}^{?}$

$1\mathrm{.}02$ in ${?}^2$

Question $4$

For Problem $3\mathrm{.}24$: What is the Tensile yield strength & Rupture strength $($ Pn $)$ of the section given?

$102\mathrm{.}96$ Kips & $129\mathrm{.}92$ Kips

$133\mathrm{.}42$ Kips & $112\mathrm{.}15$ Kips

$218\mathrm{.}97$ Kips & $312\mathrm{.}40$ Kips

$167\mathrm{.}25$ Kips & $176\mathrm{.}12$ Kips