Respuesta :

Answer:

257 acres

Step-by-step explanation:

Area of whole pasture = πr²

=(22/7)(4/5)²

= 2.01 square miles

5 *( area of each sector) = Area of whole pasture

Area of pasture = 2.01/5

= 0.402 square miles

= 0.402 × 640 acres

= 257.28 acres

≈ 257 acres