Các câu hỏi tương tự
cho 1 hinh thang.neu uoc luong day lon la 32thidien tich giam di 36. neu uoc luong day lon la 37 thi dien tich tang them 24 .tinh do dai dung cua day lon hinh thang
khi quan sat mot manh dat hinh thang,ban an uoc tinh day be dai 25m binh uoc luong day be dai 20m con ban hoa uoc luong day lon dai gap doi day be .co giao noi:cac em uoc luong deu sai.uoc luong nhu an thi dien tich tang them45m2 con binh thi dien tich giam di 30m2 con voi hoa thi chi dung khi ca hai day deu tang them 2m.ket qua la:lua 85kg;ngua 35kg
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 mieng vuon hinh thang co dien tich bang dien tich mot mieng vuon hinh tam giac co day 50 m va chieu cao 37,5 m
a) tim day lon va day be cua mieng vuon hinh thang biet chieu cao la 25 m va day be bang 2/3 day lon
b)trong mieng vuon hinh thang nguoi ta trong cam chiem 40% dien tich tinh dien tich dat trong cam
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 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?
mot mieng vuon hinh thang co dien tich bang dien tich mot mieng vuon hinh tam giac co day 50 m va chieu cao 37,5 m
a) tim day lon va day be cua mieng vuon hinh thang .biet chieu cao la 25m va day be bang 2/3 day lon
b) trong mieng vuon hinh thang ,nguoi ta trong cam chiem 40 % dien tich. tinh dien tich dat trong cam
mot manh dat hinh thang co day be 16 m day lon 35m, dien tich hinh thang la 510m2 .Nguoi ta mo rong day lon them 7m. tinh dien tich phan mo rong
1 mieng dat hinh thang co chieu cao bang 2/3 do dai day be do dai day be bang 4/5 do dai day lon
A) hay tinh dien tich mieng dat hinh thang do biet do dai day lon la 90m?
B) nguoi ta su dung 25% dien tich de trong cam trong moi cay cam can 6m2 dat hoi nguoi ta trong duoc bao nhieu cay cam?