The stereo system is being installed in the room with the rectangular floor where sides measure 12 feet, ends measure 10 feet, and where ceiling is eight feet from floor. Stereo amplifier is near one corner of room on the end wall. 1 foot from floor and 1 foot ceiling and 1 foot from opposite side wall. You should run the wire from amplifier to speaker, and wire should run along floor or walls (not through air). Find absolute shortest length of wire you can use for connection?