Find the moment of inertia of a rectangular section of 40 mm width and 80 mm depth about the base.

Find the moment of inertia of a rectangular section of 40 mm width and

1.	Find the moment of inertia of a rectangular section of 40 mm width and 80 mm depth about the base.
A.	632 10<sup>4</sup>mm<sup>4</sup>
B.	682 10<sup>4</sup>mm<sup>4</sup>
C.	734 10<sup>4</sup>mm<sup>4</sup>
D.	568 10<sup>4</sup>mm<sup>4</sup>
Answer» C. 734 10<sup>4</sup>mm<sup>4</sup>