Question

the area of square field is 65536 metre square.find the cost of fencing it at the rate of 5 per metre​

Answer 1

Answer:

${a}^{2} = 65536 {m}^{2} \\ a = 256m$

So, perimeter =

$4a \\ = 4(256) \\ = 1024$

Cost of fencing per meter is 5 rupees.

So, cost of fencing 1024 m=

$1024 \times 5 \\ = 5120$

So, cost is 5120

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Answer 2

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Area of field= 65536

$side = \sqrt{65536}$

$= 256$

Perimeter= 4× side

$4 \times 256$

$1024$

Total Cost of fencing,

$1024 \times 5$

$= 5120$