Các câu hỏi tương tự
1 manh dat hinh thang co dien tich la 455m2 chieu cao la 13m tinh do dai moi day cua manh dat hinh thang do biet day be kem day lon la 5m
nho lam cach giai ra ho minh nhe
cho hinh thang ABCD co dien tich la 29,34 m2 , day nho AB , day lon DC . biet chieu cao la 3.6m , day lon > day be 5 m.
a) tinh do dai moi day
b) neu keo day DA va CB cat nhau tai diem E , biet da bang 2/3 DE . Tinh dien tich EAB
thong cam nhe cac ban , nha minh chua cai unikey
1 hinh thang co tong do dai 2 day la 42 cm . chieu cao bang day be , day be bang 3phan 4 day lon .tinh dien tich hinh thang
nho giai cho minh nhe ma giai co ca loi giai phep tinh va dap so nhe
1 hinh thang co day lon =30 m. day be 20m . chieu cao = 1/2 day be . 1hinh tam giac co day la 40m va dien tich = dien tich hinh thang . tinh chieu cao cua tam giac do
day la 1 bai nhe cac ban nho giai cho mih day
hinh thang co do dai day nho la 25,6m day lon bang 7/5 day nho va dien tich la 153 ,6 . tinh chieu cao tam giac
MOT MANH DAT HINH THANG CO TONG CUA DAY LON VA CHIEU CAO LA 487M BIET DAY LON CUA HINH DO BANG 1PHAN2 DUONG CAO. TIM DIEN TICH HINH THANG VA DIEN TICH HINH TAM GIAC SAU DO TIM TRUNG BING CONG CUA DIEN TICH 2 HINH DO . SO SACH 2 DIEN TICH ,DIEN TICH NAO LON HON.
GIUP MINH NHA DAY LA BAI TAP VE NHA CUA MINH.KHI MINH GIAI DUOC CAM THAY NO RAT HAY NEA MOI MANG RA CHIA SE VOI CAC BAN NE.CUNG LAM NHE
Mot hinh thang co dien tich la 15,17 dm vuong va chieu cao la 3,7dm. Biet day be kem day lon 2dm, tim do dai hai day
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.
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