A rectangular park 35 m long and 18 m wide is to be covered with grass leaving 2.5m uncovered all around it . find the area to be laid with grass
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area of rectangular park =35×18=630m².
area ofuncovered grass region=35×2.5×2+2×2.5×18-4×6.25
=175+90-25=265-25=240m²
area which laid with grass=630-240=390m².
area ofuncovered grass region=35×2.5×2+2×2.5×18-4×6.25
=175+90-25=265-25=240m²
area which laid with grass=630-240=390m².
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