Mot khoi kim loai hinh hop chu nhat co chieu dai la 0,4m chieu rong la 0,3m; chieu cao la 0,2. Mot khoi kim loai hinh lap phuong cung chat, co canh bang trung binh cong cua ba kich thuoc cua khoi kim loai hinh hop chu nhat. Biet rang 1dm3 kim loai do nang 11kg. Hoi, moi khoi kim loai nang bao nhieu kg?
mot khoi kim loai dang hinh hop chu nhat co cac kich thuoc nhu ben .Khoi do bi cat di mot phan co dang hinh lap phuong canh 3cm.Biet 1dm3 kim loai do can nang 7.5kg.Hoi khoi kim loai còn lại can nang bao nhieu
mot khoi kim loai hinh lap phuong co canh la 69 cm 1dm3 kim loai do can nang 13,5 kg hoi khoi kim loai do can nang bao nhieu kg
Mot khoi kim loai hinh lap phuong co canh la 0,75 . Moi de-xi-met khoi kim loai do can nang 15 kg .Hoi khoi kim loai do can nang bao nhieu kg
Mot khoi kim loai hinh lap phuong co canh 0,75 m.Mi dm khoi kim loai do can nang 15kg . Hoi khoi kim loai do can nang bao nhieu kg.
bai 1: neu gap mot canh cua hinh lap phuong len 3 lan thi the tich cua no gap len bao nhieu lan
bai 2: mot khoi loai hinh lap phuong co canhdai 4dm moi dm3 kim loai do can nang 13.6 kg hoi khoi kim loai do can nang bao nhieu kg
mot khoi kim loai hinh lap phuong co canh 18cm.biet 1cm3 nang 30g.hoi khoi kim loai do nang bao nhieu kg
1 hop nhua hinh hop chu nhat co chieu dai 20cm,chieu rong 10cm,chieu cao 25cm.
a)Tinh the tich hop do?
b)Trong be dang chua nuoc,muc nuoc la 18cm sau khi bo vao hop 1 khoi kim loai thi muc nuoc dang len la 21 cm.Tinh the tich khoi kim loai.
mot hinh lap phuong co chieu dai lka 2,2 m chieu rong la 0,8 chieu cao la 0,6 va mot hinh lap phuong co canh bang trung binh cong cua chieu dai chieu rong chieu cao cua hinh chu nhat do
tinh the tich moi hinh tren
hinh nao co the tich lon hon va lon hon bao nhieu de xi met khoi
Mot hinh chu nhat co chieu dai la 9dm chieu rong la 4dm,chieu cao la 5dm .mot hinh lap phuong co canh bang trung binh cong so do cua 3 kich thuoc cua hinh chu nhat tren.tinh
A.the tich hinh hop chu nhat
B.the tich hinh lap phuong
