Posted by Anmol on .
the cost of fencing a square field at rs 10 per meter is rs 400 . find the length of each side

Maths 
Dr Russ,
If the field has sides of length L then the total distance around the field is 4L.
If our field uses 4L of fencing at a cost of 10 per metre then
4L x 10 = 400
solve for L