Problem $7\mathrm{.}9$ Uncoated top bars in normal$-$weight concrete.

$A_{s\text{r}\text{e}\text{q}\text{u}\text{i}\text{r}\text{d}}=2\mathrm{.}92i{n}^2.($ Ans. $35\mathrm{.}1in,30\mathrm{.}9in.)$

$|3in|3\mathrm{.}4in.=12in\mathrm{.}3in||$

#$3$ stirrups