Các câu hỏi tương tự
1. Tinh dien tich hinh thang biet:
a, Day lon la 2dm 3cm, day be la 1dm 5cm, chieu cao la 2/3m
b, Day lon la 3/4m, day be la 2/3m, chieu cao la 4/5m
giai ro rang nha cac ban
1, Tinh dien tich hinh thang , biet :
a, Day lon la 2dm3cm , day be la 1dm5cm , chieu cao la 3/2 dm
b, Day lon la 3/4 m , day be la 2/3 m , chieu cao la 4/5 m
Giup mik voi
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
mot hinh thang co canh day be kem canh day lon la 5dm va kem 3 lan canh day lon chieu cao la 3,5 dm vay dien tich la bao nhieu dm vuong
mot hinh thang co day lon dai 4,3 dm , day be ngan hon day lon la 0,4dm. chieu cao la 3dm . vay dien tich hinh thang la .......dm2
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 thang co dien tich la 79.2cm2 chieu cao la 7.2cm tinh day lon cua hinh thang biet day lon hon day be 3cm
tinh dt hinh thang a la day be b la day lon va h la chieu cao biet
a=2/3m b=1/2 m h =9/4 m
tinh sien tich hinh thang co day lon la 24cm ,day be bang 1/3 day lon , chieu cao lon hon day be 4 cm