$ln($Figure $1),a=50mm.$

Figure

Part A

Determine $\frac{?}{\text{b}\text{a}\text{r}}(y),$ which locates the centroidal axis $x^{\text{'}}$ for the cross$-$sectional area of the T$-$beam.

Express your answer to three significant figures and include the appropriate units.

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

Part B

Find the moment of inertia about the $x^{\text{'}}$ axis.

Express your answer to three significant figures and include the appropriate units.