Answer:
Total perimeter for fencing the park = FE + ED + DC + CB + BG + GF \[=280\text{ }cm+270\,\,cm+180\text{ }cm+120\text{ }cm\] \[=1100\,\,m\] But it is given, the total cost of fencing the park = Rs. 55000. \[\therefore \] Cost of fencing the park for 1100 m = Rs. 55000 \[\therefore \] Cost of fencing the park for per metre \[=\frac{Rs.\,\,55000}{1100}=Rs.\,\,50\] Hence, the cost of fencing per metre is Rs. 50.
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