A rectangular grassy lawn measuring 30m by 28m is to be surrounded extremely by a path which is 2.5m wide. Find the cost of levelling the path at the rate of ₹4 per sq.m
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Answer:
Length of lawn =30m
Breadth of lawn =28m
Therefore,
Area of lawn (A1)=l×b=30×28=840m^2
Now,
Length of lawn including path =30+2.5+2.5=35m
Breadth of lawn including path =28+2.5+2.5=33m
Therefore,
Area of lawn including path (A2)=35×33=1155m^2
Therefore,
Area of path =A2−A1
=1155−840=315m^2
Cost of levelling =Rs.4 per square meter
Therefore,
Cost of levelling path =4×315=Rs.1260
Step-by-step explanation:
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