Question

Anand’s garden is 70 m long and 50 m wide and is in the form of a rectangle. If he uses three layers of barbed wire to fence the garden, what is the total length of wire used?

Answer 1

2(70+50)
240 m
240 x 3= 720m

Answer 2

area = lxb
        =70x50
        =3500
        =3500x3
        =10,500