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Jvides1118 Jvides1118
  • 11-09-2014
  • Mathematics
Answered

Help please ...a square card has an area of 15 in.^2 what is the approximate side length of the card

Verified Answer :

kittymaniac
kittymaniac kittymaniac
  • 11-09-2014

Area = side length²
Because it's a square, all of the side lengths are equal.
15 = s²
s = √(15)
s = √(15) inches

Hope this helps!

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Anonymous Anonymous
  • 11-09-2014

\(x-the\ length\ of\ the\ side\ a\ square\ card\\\\A_{\fbox{}}=x^2;\ A_{\fbox{}}=15\ in^2\\\\therefore:x^2=15\ in^2\\\\x=\sqrt{15}\ in\\\\\boxed{x\approx3.87\ in}\)

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