Question

around a rectangular park of sides 100 meter and 70 meter a wire has to be put the cost of wire is rs 20 per meters what is the cost of the wire

Answer 1

Answer:

Perimeter of park=2(l+b)=2(100+70)=340cm

Cost for 1m=₹20

Cost for 340m=₹20×340=₹6800

So Cost of wire is ₹6800

Answer 2

according to me it should be that find the perimeter and after that multiply by 20
the formula should be like
2multiplyed by 100+70
2multiplyed by 7000
14000