Mot thua ruong hinh thang vuong co canh ben vuong goc voi hai day va co cac so do nhu hinh ve .Biet rang , trung binh 1ha thu hoach duoc 62 ta thoc . hoi nguoi nong dan thu hoach duoc bao nhieu ki - lo - gam thoc tren thua ruong do?
Canh hai ben la 30,5m
Day be la 79,6m
Day lon la 120,4m