Các câu hỏi tương tự
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
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 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 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
Mot thua ruong hinh tam giac co day la 25m. Keo dai day them 5m thi dien tich tang them 50m2. Tinh dien tich manh dat khi chua mo rong. ( can ve hinh)
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 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 dien tich 4200m2. Day lon hon day be 4m. tinh do dai moi day, biet rang neu mo rong day be ve moi phia 12,5 m thi dien tich cua thua ruong tang them la 750m2.
Mot thua ruong hinh thang co dien tich la102,6m2. Daylon 15 m va day nho 3 m .nguoi ta mo rong day lon them 4,5 m2.hoi dien tich thua ruong tang them bao nhieu met vuong.