Question

cost of fencing around square field is 1200 Rs.if the cost of fencing per metre is 30Rs. find the area of square field

Answer 1

1200/30=40
so the perimeter of the square is 40unit
the side of the square is 40/4=10unit
area of the square field is 10^2=100sq unit

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Answer 2

Area of field   =     COST              =    1200   =40m^2
                     ------------------       -------
                    RATE  OF FENCING        30



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