Các câu hỏi tương tự
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 day lon la 21m dài hon day be 8,2m. neu mo rong day lon them 7m thì dien tich tang them 56 m2. tính diện tích thua ruong do
mot thua ruong hinh thang co dien tich la 361.8m2 , day lon hon day be la 13.5m.Hay tinh do dai moi day, biet rang neu tang day lon them 5.6m thi dien tich thua ruong tang them 336m2
mot thua ruong hinh thang co dien tich la 361.8 m2. day lon hon day be 13,5 m. hay tinh do dai moi day biet rang neu tang day lon them 5,6m thi dien tich thua ruong tang them 33,6 m2
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 la 14,19a,day lon dai hon day be 38mneu day lon tang them 6m thi dien tich tang len 49,5m2 tih do dai moi canh
Mot thua ruong hinh thang co dien tich la 361,8m2 day lon hon day be la 13,5 m tinh do dai moi day biêt neu day lon them 5,6m thi dien tich thua ruong tang them 33,6m2
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