Question

The area of a square field is 81 hectares. Find the cost of fencing the field with a wire at the rate of rs 2.25 per m.​

Answer 1

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The cost of fencing the square field is Rs. 8100

Step-by-step explanation:

Area of square field = 81 hectare

So, 81 hectare = 810000 sq.m.

1 hectare = 10000 sq.m.

So, Area of square field = 810000 sq.m.

Side^2

Area of square=

\begin{gathered}Side^2 = 810000\\Side = \sqrt{810000}\\Side = 900\end{gathered}

Perimeter of square =

4 \times side

Perimeter of square field =

4 \times 900 = 3600 m

Cost of fencing 1 m = Rs.2.25

Cost of fencing 3600 m = 2.25 \times 3600= Rs.8100p

Hence The cost of fencing the square field is Rs. 8100

#Learn more :

The area of a square field is 100 hectares.Find the length of its side and the cost of fencing the boundary of the field at the rate of rs.5.20

https://brainly.in/question/5910071

Answer 2

Answer:

area of square field = 81 hectares

1 hectare = 10,000 sq meters

81 hectares = 810,000 sq meters

cost of fencing at the rate of rs 2.25 per m

= 2.25 × 810,000

= ₹ 1822500

hope this helps