Các câu hỏi tương tự
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 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 dam dat hinh thang co day lon 150 m va day be bang 3/5 day lon , chieu cao bang 2/5 day lon.Tinh dien tich dam dat hinh thang ?
mot manh dat hinh thang co dien tich la 455 m2 chieu cao la 13m tinh do dai moi day cua manh dat hinh thang do biet day be kem day lon 5m
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 dam dat hinh thang co day be 180 m , day lon 14/9 day be , chieu cao 4/7 day lon .Tinh dien tich dam dat hinh thang do bang bao nhieu met vuong , hec-ta?
giup mik nhe!^.^
mot khu dat hinh thang co dien tich la 1197 m2.tinh do dai moi canh day voi don vi la m biet chieu cao cua khu dat la 315 dm va canh day be bang 40% tong do dai hai day
mot khu dat hinh thang biet duong cao co dy be ngan hon day lon 12m va bang 2/5 day lon chieu cao bang trung binh cong cua 2 day . hay tinh dien tich cua khu dat hinh thang do
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