If a rolled steel flat designated as 55 I.S.F. 12 mm is used as lacing, then minimum radius of gyration will be ________.

If a rolled steel flat designated as 55 I.S.F. 12 mm is used as lacing

1.	If a rolled steel flat designated as 55 I.S.F. 12 mm is used as lacing, then minimum radius of gyration will be ________.
A.	3 mm
B.	6 mm
C.	3.46 mm
D.	3.8 mm
Answer» D. 3.8 mm

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If a rolled steel flat designated as 55 I.S.F. 12 mm is used as lacing, then minimum radius of gyration will be ________.

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