Question

Q. 1) The cost of fencing a square park at the rate of 20 per metre is rupees 8000. Find the length of side of the square.


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Answer 1

Answer:

the answer is  100m

Step-by-step explanation:

solution here

We are given,

Total cost of fencing=RS 8000

Cost per metre for fencing=Rs 20

Now

we know,

Perimeter=Total cost/cost per metre

=8000/20

=400m

so In a square,

Perimeter=4L where L is length

or 400=4L

or L=100

the required length is 100m

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Answer 2

Answer:  The length of side of square is 100metre

Step-by-step explanation:

1 metre = 20

20 = 1 metre

1 = 1/20

8000 = 1/20 * 8000

Rs 8000 = 400 metre

perimeter of square = 4L

400 = 4L

L = 100 metre