mot hinh thang co dien tich la 135.68met vuong va chieu cao la 10.6met biet day lon gap 3 lan day be tinh do dai moi day cua hinh thang
Mot hinh thang co dien tich la 48m2, chieu cao bang 30dm, day lon gap 4 lan day be. tính do dai Hai day cua hinh thang
mot hinh thang co do dai day be kem day lon la 5 dm va kem 3 lan day lon. Chieu cao cua hinh thang do la 3,5 dm. Hoi dien tich hinh thang do la bao nhieu dm2
mot hinh tam giac co day 36 m chieu cao bang 3/4 do dai day . a, tinh dien tich hinh tam giac do b,day va chieu cao cua hinh tam giac cung gbot di bao nhieu met de day gap 2 lan chieu cao . luc nay dien tich cua hinh tam giac la bao nhieu
tinh dien tich hinh tam giac biet chieu cao la 8,5m , do dai day gap 2 lan chieu cao
mot manh dat hinh thang co day lon dai 250 m ,day be kem day lon 36 m va chieu cao co do dai bang trung binh ccong cua hai day . tinh dien tich manh dat do
tinh dien tich hinh thangco day lon 2,4 day be kem day lon o,8m,chieu cao bang 2/5tong do dai day
mot manh dat hinh thang co day lon dai 250m,day be kem day lon 36m va chieu cao co do dai bang trung binh cong hai day .tinh dien tich cua manh dat do?
Hinh thang co tong do dai 2 day = 14,5 dm, day lon gap gioi day be chieu cao kem day be 2,8 cm . Tinh dien tich hinh thang.