SOLUTION: A room measures 6m by 4m and is 3m high .find the longest flag-mast PC which can be placed in this room

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Question 1046570: A room measures 6m by 4m and is 3m high .find the longest flag-mast PC which can be placed in this room
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
If you mean a 3D-diagonal of this rectangular prism, it is

sqrt%286%5E2+%2B+4%5E2+%2B+3%5E2%29 = sqrt%2836+%2B+16+%2B+9%29 = sqrt%2861%29.