Các câu hỏi tương tự
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
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 trung binh cong hai day la 46 m. neu day lon keo dai them 7 m nua thi dien tich manh dat thi manh dat tang them 140 m2.tinh dien tich manh dat hinh thang.
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 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
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 dat hinh thang co dien tich 369 met vuong day be bang 2/3 day lon neu tang day lon them 5,6m thi dien tich tang them 33,6m . Tinh do dai moi canh day cua dam dat hinh thang ban dau
Mot manh vuon hinh thang co dien tich hinh thang = dien tich hinh tam giac co canh day = 50 m va chieu cao = 37,5m va:
A:Tim do dai day lon day be cua manh vuon hinh thang biet chieu cao cua manh vuon la 25 m.day be bang 2/3 day lon:
B:Trong manh vuon nguoi ta trong 40 % dien tich trong cam.Tinh dien tich dat trong cam
mot hinh thang co day be bang 3/5 day lon va co chieu cao bang 23cm.Nguoi ta mo rong hinh thang bang cach keo dai day be cho bang day lon da duoc1 hinh chu nhat ,sau khi mo rong thi dien tich tang them 207cm vuong .Tinh dien tich hinh thang luc chua mo rong?