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If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

/ Theory of Structures / By
If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is_________________?

A. (IX + IY)/2
B. (IX – IY)/2
C. IX + IY(Correct)
D. (I /I )