A rectangular field of length 50m and breadth 45m need to be fenced. Find the cost of fencing if 1m

A rectangular field of length 50m and breadth 45m need to be fenced. Find the cost of fencing if the charges are Rs. 4 per meter.
For hindi explanation - / @axiomhindi

[@bincytittu6476]

Hi Mam , I have a doubt on a question i have gotten in my practice sheet , it is
"How many trees can be planted at a distance of 6m each around a rectangular plot whose length is 120m and breath is 90m"

[@axiom1729]

you find its perimeter and divide it by 6.....your final answer will be 70