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Four square card have been placed side by side in line. so that perimeter of resultant shape is 140 cm. what is the area of each squre card?




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Obviously it should be mentioned that each square card is of same side length.

let it be x units.
so legnth =4x and breadth =x .
2(4x+x) =140
area of each square is = 14*14 =196
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