SOLUTION: A stereo receiver is in a corner of a 16-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,

Algebra ->  Square-cubic-other-roots -> SOLUTION: A stereo receiver is in a corner of a 16-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,      Log On


   



Question 1100924: A stereo receiver is in a corner of a 16-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 josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the diagonal = +c+
+c%5E2+=+8%5E2+%2B+16%5E2+
+c%5E2+=+64+%2B+256+
+c%5E2+=+320+
+c+=+17.889+ ft
+17.889+%2B+2%2A3+=+23.889+
and
+.889%2A12+=+10.66+
The wire should be 23 ft 11 in long
check the math