Question

the perimeter of a square lawn is 100 M. find the area of the square lawn what will be the cost of planting grass in the lawn at the rate of 13 rupees per square metre

Answer 1

area of square lawm=10000m2
cost of planting grass = 13×10000=130000rs

Answer 2

given the perimeter of a square lawn=100M that is 4 into side of the square lawn =100
so the side of the square lawn = 100/4=25m

then the area of the square lawn =25 square =625m^2

cost of planting grass in the lawn at the rate of 13per m^2 =625*13
=8125rs..