Question

if area of rectangular plot is 1250 sq cm. a smaller rectangular plot with area 1/5 of the total area and length is 7 times of its breath, find the perimeter of the smaller plot
If the smaller plot has width w, then
w*7w = 1250/5
7w^2 = 250
w = 5.976

so, its perimeter is 2(w+7w) = 95.6

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