Các câu hỏi tương tự
Mot thua ruong hinh thang co day lon 62.5m,day be bang 2/5 day lon. Nguoi tamo rong thua ruong bang cach keo dai day be them12.4m va day lon them 8m nen dien tich thua ruong tang them 367.2m. Tinh dien tich thua ruong hinh thang ban dau
Cho mot thua ruong hinh thang co day lon 62,5m,day be bang 2/5 day lon.Nguoi ta mo rong thua ruong bang cach keo dai day be them 12,4m va day lon them 8m nen dien tich thua ruong tang them 367,2m2.Tinh dien tich thua ruong hinh thang luc dau?
Mot hinh thang co day be la 19 cm va bang 1/2 day lon. Neu mo rong day lon them 4,5 cm thi dien tich tang them 27 cm2. Tinh dien tich hinh thang ban dau.
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
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 day lon la 62,5 m,day be bang 2/5 day lon.nguoi ta mo rong thua ruong hinh thang bang cach keo dai day be them 12,4 m.day lon them 8 m nen dien tich thua ruong tang them 367,2 m vuong.hoi dien tich ban dau cua thua ruong la?
loi giai phep tinh
mot thua ruong hinh thang co trung binh cong hai day la 39m. day lon hon day be 14m. chieu cao bang 1/2 day lon.
a. tinh dien tich thua ruong hinh thang
b. neu mo rong day lon them 4m thi dien tich thua ruong tang them bao nhieu metvuong
Mot hinh thang co day be 12cm,day lon dai 18cm.Neu mo rong day lon them 5cm thi dien tich tang them 20cm2 Tinh dien tich hinh thang ban dau
mot manh dat hinh thang co day be 8.5m day lon 15m sau khi mo rong day lon them 3m thi dien tich manh dat tang 7.5m2 tinh dien tich hinh thang ban dau.