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
Những câu hỏi liên quan
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!
Xem thêm câu trả lời
mot hinh thang co day lon 60cm day be 38cmneu keo dai day lon them 20 cm va day be 12cm ve cung mot phia thi dien tich se tang them 512cm vuong.Tinh dien tich hinh thang luc dau
mot thua ruong hinh thang co day be 42m day lon bang 7/3 day nho nguoi ta keo dai day len ve mot phia them 6m nen dien tich tang them 108m2 tinh dien tich thua ruong sau khi keo dai them day lon
Mot hinh thang co day be 18 dm day lon bang 4/3 day be nguoi ta keo dai day lon them 8 dm thi duoc hinh thang moi co dien tich La 375 cmvuong tinh dien tich hinh thang cu
mot hinh thang co day lon 60 cm day be38 cm neu keo dai day lon them 20cm va day be 12 cm ve cung mot phia thi dien tich se tang them 512 cm vuong tinh dien tich hinh thang luc dau
mot hinh thang co day be 18dm day lon bang 4/3 day be.Nguoi ta keo dai day lon them 8dm thi duoc mot hinh thang moi co dien tich la 375dm vuong. Tinh dien tich hinh thang cu
Mot hinh thang vuong co day be=3/5 day lon va co chieu cao =23cm .Nguoi ta mo rong hinh thang bang cha keo dai day be cho bang day lon de duoc mot hinh chu nhat, sau khi mo rong dien tich hinh thang tang them 207cm .Tim dien tich hinh thang luc chua mo rong?
mot thua ruong hinh thang co day lon 62,5,day be bang 2/5 day lon .nguoi ta mo rong thu ruong bang cac keo dai day be them 12,4m va day lon them 8 m nen dien tich thua ruong tang them 367.2.tinh dien tich thua ruong hinh thang ban dau