A room is 18 meters long, 15 meters wide 12 meters in height. The longest possible rod which can be placed in the room is	Choose the correct answer
A) 25.28 meters B) 24.28 meters C) 23.28 meters D) 26.28 meters E) 20.28 meters
Square root of 18^2+15^2+12^2...(Diognal) which is square root of 639 that lies 25&lt;√639&lt;26. Hence the answer should be 25.28 meters
<result>A</result>
A room is 18 meters long, 15 meters wide 12 meters in height. The longest possible rod which can be placed in the room is