Question

The cost of fencing a sqare field at Rs 120 per meter is Rs 4000. Find the lenght of each side of the field.

Answer 1

perimeter=4000/120
=100/3 m

perimeter of a square =4 ×side
100/3 m=4×side
100/3 m ×4=side
25/3=side
each side of a feild =25/3 m