The area of the core of a column of cross sectional area A, is

1.	The area of the core of a column of cross sectional area A, is
A.	(1/3) A
B.	(1/6) A
C.	(1/12) A
D.	(1/18) A
Answer» E.

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The area of the core of a column of cross sectional area A, is

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