Part a$)$ For the shape shown below, calculate the moment of inertia about the x$-$axis. $($Figure $8)$ The dimensions are d$1=330$mm$,$ d$2=175$mm$,$ d$3=120$mm$,$ and r$=75$mm$.$ Part b$)$ For the shape from Part C $($shown again here for reference$),$ calculate the moment of inertia about the y$-$axis. $($Figure $8)$ The dimensions are d$1=330$mm$,$ d$2=175$mm$,$ d$3=120$mm$,$ and r$=75$mm$.$