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Question
a rectangular field is 85 meters wide and 125 meters long. give the length and width of another rectangular field that has the same perimeter but a smaller area. width = meters length = meters
Step1: Calculate original perimeter
$P = 2\times(85 + 125)=420$ meters
Step2: Choose new dimensions
Let width be 10 and length be 200 (sum is 210, so perimeter is 420).
Step3: Calculate areas
Original area: $85\times125 = 10625$ square - meters. New area: $10\times200 = 2000$ square - meters.
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width = 10 meters
length = 200 meters