Respuesta :

Answer:

Since, farms are generally rectangular shaped.

Perimeter of Rectangle=2(l+b).

84=2(l+12)

84=2l+24.

2l=60.

l=30.

Hence, the length of the farm is 30m.

Step-by-step explanation:

Answer:

360

Step-by-step explanation:

84 - 24 = 60

60 / 2 = 30

12 * 30 = 360