Question 965462
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L=Length; W=width=1.3L ( 30% more than length=130% L=1.3L); A=area=2080 sq cm
{{{LW=A}}} Substitute for W.
{{{(L)(1.3L)=2080cm^2}}}
{{{1.3L^2=2080cm^2}}} Divide each side by 1.3.
{{{L^2=1600cm^2}}}
{{{L=40cm}}}
The length of the rectangle is 40 centimeters.
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The side of the square is therefore 20 centimeters.
Area of square={{{(side)^2=20cm)^2}}}={{{400cm^2}}}
ANSWER: The area of the square is 400 square centimeters.