$a=60mm$

part A

Detenmine $\frac{?}{\text{b}\text{a}\text{r}}(y),$ which locates the centRoidal axis $x$ for the Cross $-$ sectional area of the $T-$beorm

$\frac{?}{\text{b}\text{a}\text{r}}(y)=$

Pant $B$

find the moment of imentia about the $x^{\text{'}}$ ascis

$\frac{?}{\text{b}\text{a}\text{r}}(I)r^{\text{'}}=$