The cross-section of a girder is shown in the figure (not to scale). The section is symmetric about a vertical axis (Y-Y). The moment of inertia of the section about the horizontal axis (X-X) passing through the centroid is \underline{\hspace{2cm} cm$^4$ (round off to nearest integer).}
\includegraphics[width=0.25\linewidth]{image47.png}