Các câu hỏi tương tự
Cho hinh thang co do dai day lon la 120 cm, biet day be bang 2/3 day lon. Chieu cao kem day be 5 cm.Tinh dien tich hinh thang do.
tinh dien tich hinh thang co tong do dai cua 2 day bang20,4m;biet 2/3 day lon bang 75% day be,day lon hon chieu cao 0,4m?
Mot hinh thang co tong do dai hai day la 42cm, chieu cao bang 1/2 day be, day be bang 3/4 day lon. Tinh dien tich hinh thang
Hinh thang co tong do dai hai day bang 30,5dm, day lon bang 1,5 lan day be, chieu cao hon day be 6,2dm. Tinh dien tich hinh thang
Mot hinh thang co tong do dai hai day bang 42cm, chieu cao bang day be, day be bang 3/4 day lon. Tinh dien tich hinh thang do.
Ai giup thi minh tich cho.:)
giai gium my ho cai bai nay voi
hinh thang co tong do dai hai day bang 60m ,1/3 day lon bang 1/2 day be , chieu cao bang 80% day be . Tinh dien tich hinh thang
Hinh thang co dien tich la 100 cm2 ,chieu cao bang 5 cm .Tinh do dai moi day .Biet day be bang 2/3 day lon
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?