Question 369888
Area of rectangle = L*W
60*40 = 2400 m^2
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perimeter = 2L+2W
= 2*60+2*40
= 200 meters
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side of square = perimeter / 4
200/4 = 50 meters
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area of square = 50*50 = 2500 m^2
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2500-2400 = 100 m^2 is the difference. 
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