<PRE><B>Question 614149</B>
a swimming pool has an area of 40 square meters and a perimeter of 26 meters. What is the length and width of the swimming pool? 
Perimeter = 2(L+W)
26 = 2(L+W)
13 = L+W
L = 13-W
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Area = L*W
40 = (13-W)W
40 = 13W-W^2
W^2 -13W+40 = 0
W = [13 +- sqrt(169-4*1*40)]/2
W = [13 +- sqrt(9)}/2
W = [13+-3]/2
Positive solution:
W = 8 meters
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So L = 5 meters
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Is it possible for another pool to have the same area but a larger perimeter ? 
Yes
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Note A  pool that is 40 meters by 1 meter has a perimeter
of (40+1+40+1) = 82 meters.  This pool still has an area
of 40 sq. meters.
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Cheers,
Stan H.
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