I have a 16 gauge 24 in. diameter corrugated metal pipe with 2-2/3’’ x ½’’ corrugation. For my analysis I'm looking for the moment of inertia in units of inches^4. The tables that I have found give me 1.892 x10^-3 (in.^4/in) for the CMP dimensions. This seems like a very low value and I'm not...