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A rectangular park is 45 m long and 30 m wide . a path 2.5 m wide is constructed outside the park . find the area of the path



Area of path is  area of park with path - area of rectangular park                      
area of park =l x b= 45 x 30=1350 cm2
area of park with path is =45+2.5+2.5 x 30+2.5+2.5 = 1750cm2
area of path = 1750-1350=400 cm2
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