Mot hinh thang co so do canh day be la 4,5m va bang 60% day lon. Neu giam canh day lon di 1,6m thi dien tich hinh thang giam di 5,4m2. Tinh dien tich hinh thang do
Hinh thang co tong 2 day la 9.5m.neu giam canh day lon di 1.6m thi dien tich giam 1.84m.tinh dien tich hinh thang do
mot hinh thang co tong hai day la 9.5m giam day lon di 1.6m thi dien tich giam di 1.6m2 tinh dien tich hinh thang
1 hinh thang co so do canh day be la 4,5m va = 60% day lon . neu giam canh day lon 1,6m thi dien tich hinh thang giam di 5,4 . tinh dien tich hinh thang do
1 cua hang da mua vao 75.000 dong 1 hop keo . cua hang da ban ra va laI duoc 24% gia von cua moi hop keo . hoi cua hang do da ban...tien 1 hop keo
ai nhanh minh LIKE cho
mot hinh thang co day lon la 40cm. canh day be bang 60%canh day lon. biet dien tich hinh thang bang 0.272m2. do dai duong cao cua hinh thang do la
mot hinh thang co day lon la 12 day be la 8 va dien tich bang dien tich hinh vuong co canh 10 cm tinh chieu cao hinh thang
mot thua ruong hinh thang co dien tich 4200m2 va co day lon gap 3 lan day be . neu giam day be 15 m thi dien tich thua ruong se bi giam 450m2 . tinh do dai moi day cua thua ruong hinh thang tren
mot hinh thang co dien tich la 60 cm2 ,co hieu hai so la 4m hay tinh do dai canh day , biet rang neu day lon duoc tang them 2m thi dien tich hinh thang se tang them 6m
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