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Rita07 Rita07
  • 28-08-2015
  • Mathematics
Answered

if every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only one answer for the length of a side

Verified Answer :

AL2006
AL2006 AL2006
  • 28-08-2015

Because even though the math is there, when you go to cut the pieces to build the window frame with, you can't make pieces with a negative length. So if the answer is going to be used in the real world, we use the positive one, and ignore the negative one.

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