Question

the cost of fencing a square Park at the rate of 20 per metre is rupees 8000 find the length of the side of the square
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Answer 1

Answer:

let one side be 100m

so squre is of 100x100m

now cost of fencing

total meters is 100x4 =400m

so covering 400m of fencing

so cost of 20m sq is 8000 so cost of 400m is

$400 \div 20 \: is \: 20$

further now

$20 \times 8000 \: is \: 160000$