What will be the radius of gyration (m) for a rectangular having cross – McqOptions

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1.	What will be the radius of gyration (m) for a rectangular having cross-section of 12 mm × 20 mm and length of 1 m?
A.	1.44 × 10-2
B.	2.88 × 10-3
C.	3.464 × 10-3
D.	1.44 × 10-3
Answer» D. 1.44 × 10-3

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