SOLUTION: Speaker Placement. A stereo receiver is in a corner of an 11​-ft by 8 ​-ft room. Speaker wire will run under a​ rug, diagonally, to a speaker in the far corner. I

Algebra ->  Length-and-distance -> SOLUTION: Speaker Placement. A stereo receiver is in a corner of an 11​-ft by 8 ​-ft room. Speaker wire will run under a​ rug, diagonally, to a speaker in the far corner. I      Log On


   

Question 1057767: Speaker Placement. A stereo receiver is in a corner of an 11​-ft by 8 ​-ft room. Speaker wire will run under a​ rug, diagonally, to a speaker in the far corner. If 3 feet of slack is required on each​ end, how long a piece of wire should be​ purchased?
Answer by solve_for_x(190) About Me  (Show Source):
You can put this solution on YOUR website!
The length of the diagonal is:

sqrt%28%2811%5E2%29+%2B+%288%5E2%29%29+=+sqrt%28185%29+=+13.6+ft

Adding 3 additional feet on either end gives:

Total length = 13.6 + 3 + 3 = 19.6 feet.