mot thua ruong hinh thang co trung binh cong hai day la 301,5m. neu tang day lon them 5,6m thi dien tich thua ruong tang them 336m2

a) tinh dien tich thua ruong hinh thang bang don vi do dam2?

b) cu 300m2 thu duoc 22,5 tan thoc . tinh xem tren ca thua ruong thu hoach duoc bao nhieu kg thoc? 

mot thua ruong hinh thang co day lon dai 52m, day be bang 45% day lon. chieu cao bang trung binh cong cua hai day.

a. tinh dien tich cua thua ruong do.

b. nguoi ta cay lua tren thua ruong, trung binh cu 100 m vuong thu hoach duoc 70 kg thoc. hoi ca thua ruong thu hoach duoc bao nhieu ta thoc.

mot thua ruong hinh thang co day lon la 150 m , day be bang 80% day lon , chieu cao bang 2/3 day

a) ting dien tich hinh thang 

b) tren thua ruong do nguoi ta trong lua , trung binh cu moi cu 100m vuong thu hoach duoc 62,5 kg thoc . hoi tren ca thua ruong do nguoi ta trong thu hoach duoc bao nhieu tan thoc

mot thua ruong hinh thang co day be dai 45 m, day lon bang 7/5 day be. chieu cao bang 60 m. hoi:

a) dien tich thua ruong do?

b) trung binh cu 100mvuong thu hoach duoc 64,5 kg thoc thi so thoc thu hoach duoc tren thua ruong do la bao nhieu kg?

mot thua ruong hinh thang co tung binh cong hai canh la 301,5m neu tang day lon them 5,6m thi dien tich tang them 336m vuong.Hoi

a)tich dien tich thua ruong hinh thang dang don vi dam vuong

b)cu 300m vuong thu hoach duoc 22,5 tan thoc tinh xem tren ca thua rong th hoach duoc may kg thoc

Mot thua ruong hinh thang co day lon la 36,2 m day be la 210 dm chieu cao bang 4phan5 day be

A : tinh dien tich thua ruong

B: thua ruong do thu hoach duoc bao nhieu ta thoc ,biet cu 100m2 thu hoach duoc 58 kg thoc

1 thua ruong hinh thang co day be 62m day lon gap doi day be chieu cao bang 15,5 m a) tinh dien tich thua ruong hinh thang b) nam truoc thua ruong do thu hoach duoc 880kg thoc,nam nay tang hon nam truoc 15%.hoi nam nay thua ruong thu hoacg duoc bao nhieu tan thoc

mot dam ruong hinh thang co dien tich 1155m2 va co day be kem day lon 33m nguoi ta keo dai day be them 20m va keo dai day lon them 5m ve cung mot phia de duoc hinh thang moi dien tich hinh thang moi nay bang dien tich cua mot hinh chu nhat co chieu rong bang 30m va chieu dai 51m hay tinh day be day lon cua hinh thang ban dau