Find the Moment of Inertia and the Radius of Gyration $y=12-x^{2}$

Essay

Find the moment of inertia and the radius of gyration of the region bounded by $y=12-x^{2}$ , $\mathrm{y}=3$ , and $\mathrm{x}=0$ about the $\mathrm{y}$ - axis. $\mathrm{Q}=4$