amymk311 amymk311

30-11-2016
Mathematics

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A rectangular field has perimeter 600m and area 21 600 m^2. Find the dimension

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MathisLif3 MathisLif3

30-11-2016

P=2x+2y. A=xy
600=2x+2y. 600=x (300-x)
y=300-x. 600=300x-x^2
x=297.986
y=300-297.986
xy=600
x=2.014 would work as well
Use quadratic formula for exact value

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