Question

1) A square piece of land has each side equal to 100 m. If three layers of metal wire has to be used to
fence it, what is the length of the wire needed?​

Answer 1

Question

A square piece of land has each side equal to 100 m. If three layers of metal wire has to be used to fence it, what is the length of the wire needed?

Solution

→ Each side of a square field = 100 m

→ We can find the wire required to fence the square field by determining the perimeter = 4 × each side of a square field

By substituting the values

→ Perimeter of the square field = 4 × 100 = 400 m

→ So the length of wire which is required to fence three layers is = 3 × 400 = 1200 m

∴ Hence, the length of wire needed to fence 3 layers is 1200 m.