Question

ram has a square of area 81 square metre find the cost of fencing it at the cost of fencing it at the cost of rupees 10 per metre​

Answer 1

Area of the plot is 81 so the perimeter is = 81/4 which is 20.25 and the cost will be 202.5 rupees

Answer 2

Answer:

Step-by-step explanation:

let the side of square be s

area of square = [s]^2=

given the area =81^2

= s^2=81 m^2

 s=square root of 81

 s=9

cost of fencing  per metre​=10 rupees

cost of fencing 81 square metre=10*81=810