Question

find the cost of fencing A rectangular part of 120 m length and 80 m breath at the rate of Rs .2 per metre

Answer 1

area of the rectangle=120×80=9600
cost of fencing=9600/2=4800

Answer 2

Hey !!!

here is your answer

length of rectangle =120m

breadth of rectangle =80m

perimeter = 2(l+b)

2(120+80)=400

400m

now 2 rupees per metre

so 400 ×2=Rs800

hope this helps