The length of the longest rod that can fit in a cubical room of 4 m side is? Choose the correct choice from the following:
A) 7.256 m	B) 6.928 m	C) 8.524 m	D) 10.256 m	E) 11.823 m
4 root(3)= 6.928 m   ANSWER 6.928 m
<result>B</result>
The length of the longest rod that can fit in a cubical room of 4 m side is?