1 manh vuon hinh thang co dien tich la 225.75 m2 do dai canh day nho lam 125 dm va kem canh day lon 18 m neu mo rong day lon them 5.2 m thi dien tich tang them bao nhieu m2
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mot hinh thang co dien tich la 282.1dm vuong day nho la 1.7m va kem day lon la 11.5dm mo rong day lon cua hinh thang de dien tich hinh thang tang them 37.2dm vuong hoi phai mo rong canh day lon them bao nhieu m
mot manh dat hinh thang co dien tich la107,5 m2.Sau khi mo rong day nho 3 m,day lon 5 m thi dien tich manh dat tang them 43 m2.Tinh do dai moi day manh dat,biet day lon hon day be la 4 m
Mot manh vuon hinh thang co dien tich 225.75m2 day be bang 12.5 m day lon 30,5m neu mo rong them 5.2 m thi dien tich tang them bao nhieu lan
Mot thua ruong hinh thang co do dai day lon la 21m va lon hon canh day be la 8,2m. Neu mo rong day lon them 7m thi dien tich tang them la 56 met vuong. Tinh dien tich thua ruong
mot thua ruong hinh thang co do dai day lon la 21 m va dai hon canh day be la 8,2 m neu mo rong day lon len 7 m thi dien tichg tang them 56 m tinh dien tich thua ruong
Mot thua ruong hinh thang co do dai day lon la 21m va dai hon canh day be la 8,2m. Neu mo rong day lon them 7m thi dien tich tang them 56m2. Tinh dien tich thua ruong do
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mot thua roung hinh thang co do dai day lon la 21m va do hon canh day be la 8.2m. Neu mo rong day lon them 7m thi dien tich tang them 56mvuong . Tinh dien tich thua ruong
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 ....
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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!
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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