1. A rectangular park is 50 m by 30 m. A path 4 m wide is built all around its outside. Find the cost of constructing the path @₹300 per m².
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Answer:
Area of park =l×b=45×30=1350 cm^2
Area of park with path is =45+2.5+2.5×30+2.5+2.5=1750 cm^2
Therefore,
Area of path = Area of park with path − Area of rectangular park
=1750−1350=400 cm^2
hence 400^2 is the answer
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