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A square patio has an area of 221 square feet. How long is each side of the patio to the nearest 0.05?

 Oct 20, 2020
 #1
avatar+28021 
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side   x   side = area

side2 = 221     solve for 'side'

 Oct 20, 2020
 #2
avatar+2176 
+1

Adding onto EP's great answer:

When side = x

 

x^2=221

x=sqrt(221)

sqrt(221)=14.87

 Oct 20, 2020

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