Speaker placement. A stereo receiver is in a corner of a 16 ft by 15 ft room. Speaker wire will run under a rug, diagonally, to a speaker in the far corner, if a 5 feet of slack is required on each end, how long a piece of wire should be purchased?

How long should the wire be in feet? (round to the nearest foot)

Question

Speaker placement. A stereo receiver is in a corner of a 16 ft by 15 ft room.  Speaker wire will run under a rug, diagonally, to a speaker in the far corner,  if a 5 feet of slack is required on each end, how long a piece of wire should be purchased?

How long should the wire be in feet?    (round to the nearest foot)

radar · Answer

The diagonal is the hypotenuse of a right angle with legs of 15, and 16 feet.
distance would be:$$\sqrt{15^{2}+ 16^{2}}$$ or about 22.0 feet now for 5 ft of slack at each end add 10 more feet.  Buy 32 feet