Question

Each side of a square land is 300 meter. It is to be fenced by 3dcm wide wall with same height around its four sides. How much will be the cost for the wall at the rate of ₹5,000 per 100 sq. meter ?​

Answer 1

Answer:

Given :

Total cost of fencing =Rs. 10080

Cost of fencing per meter =20

So perimeter =

20

10080

=504 m

So length of square =

4

504

=126 m

width of pavement =3 m

Length of inner square =126−3=120 m

So, area of pavement =Area of Outer square − Area of inner square

=126×126−120×120

Area of pavement=1476 m

2

Cost of pavement =1476×50

∴ Cost of pavement=Rs. 73800

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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