Question

. A rectangular grassy plot is 85 m long and 60 m broad. It has a path of width 2 m all around it. Find the area of the path and the cost of constructing it at 115 per m².​

Answer 1

Answer:

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A rectangular grassy plot is 85 m long and 60 m broad. It has a path of width 2 m all around it. Find the area of the path and the cost of constructing it at 115 per m².

Answer 2

Answer:

Length of plot =75m

Breadth of plot =60m

Area of plot =l×b

=75×60=4500m

2

Now,

Width of path =2m

Therefore,

Length of plot including path =75+2=77m

Breadth of plot including plot =60+2=62m

Therefore,

Area of plot including plot =77×62=4774m

2

Therefore,

Area of path = Area of plot including path − Area of plot only

∴ Area of path =4774−4500=274m

2

Given that cost of constructing path is Rs.125 per square meter.

Therefore,

Cost of constructing path around plot=125×274=Rs.34250.

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