Các câu hỏi tương tự
giai gium my ho cai bai nay voi
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 la 42cm, chieu cao bang 1/2 day be, day be bang 3/4 day lon. 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.:)
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?
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
tinh dien tich hinh thang co tong do dai 2 day bang 82.5m biet 40% day lon bang 60% day be day be kem chieu cao 2m
Hinh thang ABCD co day be 1,8 dm va day lon hon day be 0,6 dm chieu cao bang 1/3 tong hai day .tinh dien tich hinh thang ABCD ?
hinh thang abcd co day be la 1,8dm day lon hon day be 0,6dm chieu co bang 1/3 tong hai day tinh dien tich hinh thang abcd