Question

The cost of fencing a square field at rupees 9 per metre is rupees 3600. Find the length of the side and the area of the field. The answer = 100m, 10,000 sq. m. Please show me the correct steps.​

Answer 1

Step-by-step explanation:

a=3600/9=400

a=s^2

400=s^2

squeare root of 400 =s

=20

Answer 2

Step-by-step explanation:

cost of per metre is 9 rupees

let the side be x

X=3600/9

X=400

400m length of side

$area \: of \: square \: = 4 \times side$

let one side of square is Y

$400 = 4 \times y$

Y=400/4

Y=100