Question

the given square field was fenced twice barbed wire. find the total length of wire used (length 250 cm)

Answer 1

side of square =250 cm
perimeter of square =4× side
=4×250
=1000 cm
length of wire = 2 × 1000
=2000 cm

Answer 2

Hi ,

Total length of the wire used = 2 × perimeter

of the square field

= 2 × ( 4 × side of the square )

= 2 × 4 × 250 cm

= 2000 cm

I hope this helps you.

:)