[Solved] If the moment of inertia of a section about its axis is and its effective sectional area is , its radius of gyration r about the axis, is

Q.	If the moment of inertia of a section about its axis is and its effective sectional area is , its radius of gyration r about the axis, is
A.	r = i/a
B.	r i/a)
C.	r = (i/a)
D.	r a/i)
Answer» B. r i/a)

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Design of Steel Structures

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