_ The moment of inertia of a rectangular section 3 cm wide and 4 cm de – McqOptions

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1.	_ The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about X-X axis is$?
A.	9 cm4
B.	12 cm4
C.	16 cm4
D.	20 cm4
Answer» D. 20 cm4

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