mot hih thang co dien tich 4,5 dm2 , chieu cao 0,5 m . tinh do dai moi day cua hinh thang , biet rang day lon hon day be 12 cm
Mot hinh thang co dien tich 63cm vuong, chieu cao 8cm. Tinh do dai day lon, day be cua hinh thang ,biet rang day lon hon day be 6cm.
mot hinh thang co dien tich 270 cm2 ,chieu cao 12 cm. tinh do dai moi day hinh thang , biet rang day lon gap ruoi day be
mot hinh thang co dien tich 4.5 dm chieu cao 0.5 m . tinh do dai moi day cua hinh thang biet rang day lon hon day be 12 cm
giup minh tra loi cau hoi nay nhe
ai tra loi dung minh tik cho
mot mieng bia hinh thang co dien tich la 96 cm vuong,chieu cao 8 cm. tinh do dai moi day cua mieng bia do,biet rang dayday lon hon day be 5 cm.
1 hinh thang co dien tich la 4,5dm2.Chieu cao la 0,5 m.Tinh do dai moi day cua hinh thang[biet rang day lon hon day be 12cm]
Bai 1 :Mot thua ruong hinh thangco trung binh cong hai day la 301,5 m . Neu tang day lon them 5,6 m thi dien tich thua ruong tang them 336 m2
a}tinh dien tich thua ruong hinh thang bang don vi dam2
b}Cu 300 m2 thu duoc 22,5 tan thoc . Tinh xem tren ca thua ruong thu hoach duoc bao nhieu kilogam thoc ?
Bai 2 : Mot hinh thang co dien tich 3780 m2 va chieu cao 45 m . Day be bang 3/5 day lon . Tinh moi day cua hinh thang ?
Bai 3:Mot khu ruong hinh thang co chieu cao 50 m . Day lon 145 m ; day be 95 m . Moi met vuong thu hoach duoc 1,74 kg thoc . Hoi nguoi ta thu hoach duoc bao nhieu tan thoc tren thua ruong ay ?
Bai 4: Mot hinh thang co chieu cao 34 dm . Day lon gap doi day be . Dien tich hinh thang bang dien tich 1 hinh chu nhat chieu dai 68 dm ; chieu rong 30 dm . Tinh do daii moi day hinh thang ?
Bai 5 : Mot hinh thang co day lon 60 cm ; day be 38 cm . Neu keo dai day lon them 20 cm va day be 12 cm ve cung mot phia thi dien tich se tang them 512 cm2 . Tinh dien tich hinh thang luc dau ?
Bai 6:Mot hinh thang vuong co dien tich 85 dm2 va hieu 2 day la 3 dm . Neu keo dai day lon them 4 dm nua thi dien tich tang them 20 dm2 . Tinh do dai moi day cua hinh thang vuong do ?
giai han ra nha minh cho moi bai 100 mk nha tong cong se la 600 mk do nha ! ai giai xong ket ban luon voi minh nha ! thanks!
a/ mot hinh thang co dien tich 20 m vuong day lon 55 dm va day be 45 dm tinh chieu cao cua hinh thang.
b/ tinh trung binh cong hai day cua mot hinh thang biet rang dien tich hinh thang bang 7m vuong va chieu cao bang 2
a)Mot hinh thang co dien tich 20m2,day lon 55 dm va day be 45dm.Tinh chieu cao cua hinh thang.
b)Tinh trung binh cong hai day cua mot hinh thang,biet rang dien tich hinh thang bang 7m2 va chieu cao bang 2m