Question

3. A rectangular piece of land measures 0.4 km by 0.8 km. Each side is to be

fenced with 5 rows of wires. What is the length of the wire needed?​

Answer 1

Answer:

length of rectangular piece of land =0.8km

breadth" " " " " " =0.4km

perimeter=2(l+b)

2(0.8+0.4)

2×1.2

perimeter=2.4

length of wire =5×2.4

=12km