Các câu hỏi tương tự
Mot hinh thang co dien tich bang 60 met vuong , hieu cua hai day bang 4 met . Hay tinh do dai moi day , biet rang neu day lon duoc tang them 2 met thi dien tich hinh thang se tang them 6 met vuong
Mot mieng dat hinh thang co dien tich 864m vuong day lon hon day be 12m. Nguoi ta mo rong mieng dat bang cach tang day lon them 5m thi duoc mot mieng dat moi co dien tich bang 924m vuong. Tim do dai be va day lon cua manh dat hinh thang luc chua mo rong
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 dam2b}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 ....
Đọc tiếp
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!
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
mot manh vuon hinh thang co day be bang 90m day lon bang 5/3 day be va chieu cao bang 3/4 day lon
a tinh dien tich manh vuon hinh thang
b neu tang day lon them 2,5m thi dien tich phan tang them cua manh vuon do la bao nhieu met vuong
Mot manh dat hinh thang co day lon bang 75m,day be bang 75% day lon va bang chieu cao.
a,tinh dien tich hinh thang do
b,neu nguoi ta muon tang dien tich manh dat hinh thang them 75m22 nua thi phai keo dai day be them bao nhieu m?
trong mot manhdat co dien tich 240 m2.Nguoi ta dao mot cai gieng hinh tron co duong kinh 1,2.Bao quanh mieng gieng la mot thanh gieng co dien tich la 1,12m2.Tinh dien tich phan dat con lai .Biet manh dat tren la hinh thang vuong .Keo dai day be them 7,5m thi manh dat tro thanh hinh chu nhat ,dien tich manh dat sau khi tang bang 125% so voi dien tich ban dau .Tinh day lon ,day be cua manh dat ban dau ? AI GIUP MINH VOI
mot dam dat hinh thang co dien tich 319.2 m vuong chieu cao la 16.8 m day be bang 1/3 day lon tinh do dai moi day cua dam dat do
mot thua ruong hinh thang co dien tich la 361.8 m2. day lon hon day be 13,5 m. hay tinh do dai moi day biet rang neu tang day lon them 5,6m thi dien tich thua ruong tang them 33,6 m2