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# Polygone 6 vertical

Calculate the second moment of area (also known as moment of inertia of plane area, area moment of inertia, or second area moment) and the section modulus of a profile with polygonal cross section and side length A. Use this to calculate deflection or stress in a loaded profile.

$$I_{yy}=\dfrac {5A^{4}\sqrt {3}} {16}$$

$$W_{yy}=\dfrac {5A^{3}\sqrt {3}} {16}$$