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 answers
A) 100%	B) 108%	C) 120%	D) 110%	E) 101%
100%   100%nswer:100%
<result>A</result>
The length of the longest rod that can fit in a cubical room of 4 m side is?