Question

Find the cost of fencing a square park of area 169 m2 at the rate of rs 10 per metre

Answer 1

Area of the square park=169m2

Therefore let one side of the square be x

Area=side×side

169=x square

Therefore u must take the root of 169, that is 13

Therefore x= 13 m

Perimeter of a square=4×13=52m

Therefore,

Cost of fencing= perimeter×rate

=52×10

=520 rupees

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