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Rectangular shape

Calculate the moment of inertia of a rectangular shape, with width A, height B, length C and mass m.

$$I_{xx} = \dfrac {m(B^{2}+C^{2})}{12}$$

$$I_{yy} = \dfrac {m(A^{2}+C^{2})}{12}$$

$$I_{y_{1}y_{1}} = \dfrac {mA^{2}}{12} + \dfrac {mC^{2}}{3}$$

$$I_{zz} = \dfrac {m(A^{2}+B^{2})}{12}$$