Biet the tich cua hinh lap phuong bang 27 cm3 Hay tinh dien tich toan phan cua hinh lap phuong do
Huong dan : Co the tim do dai canh cua hinh lap phuong bang cach lan luot voi cac so do 1m ,2cm
Biet the tich cua hinh lap phuong bang 27cm3 .Hay tinh dien tich toan phan cua hinh lap phuong do.
Huong dan: Co the tim do dai canh cua hinh lap phuong bang cach thu lan luot voi cac so do 1cm,2cm,...
Mai lam mot cai hop co dang hinh lap phuong khong co nap bang bia,co canh la 1,2dm.
a) Tinh dien tich bia de lam hop(khong ke cac mep dan)
b) Neu dem cac khoi lap phuong bang nhua co canh 4cm xep day hop thi xep duoc tat ca bao nhieu khoi nhua?
Mai lam mot cai hop co dang hinh lap phuong khong co nap bang bia co canh la 1,2dm.
a) Tinh dien tich bia de lam hop(khong ke cac mep dan).
b) Neu dem cac khoi lap phuong bang nhua co canh 4cm xep day hop thi xep duoc tat ca bao nhieu khoi nhua?
biet the tich cua hinh lap phuong bang 27cm3.Hay tinh dien tich toan phan cua hinh lap phuong do.
Huong dan:Co the tim do dai canh cua hinh lap phuong bang cach thu lan luot voi cac so do 1cm,2cm,...
Tinh dien tich 1 ton lam 1 cai thung hinh lap phuong co canh la 4dm biet mep han khong dang ke va thung co nap day.
tinh the tich hinh lap phuong biet hinh lap phuong do co dien tich toan phan lon hon dien tich xung quanh la 162cm2 tinh the tich hinh lap phuong
nguoi ta lam 1 cai hop dang hinh lap phuong bang bia , ko co nap . tinh dien tich bia dung de lam hop do, biet canh hinh lap phuong la 1dm8cm ( ko tinh mep dan)
AI LAM NHANH NHAT MINH TICK CHO
1, 1 hinh lap phuong co chu vi day la 20,4m . Tinh dien tich xung quanh , dien tich toan phan va the tich cua hinh lap phuong do ?
2, nguoi ta lam 1 cai hop dang hinh hop chu nhat kg nap bang bia co chu vi day la 123m , rong = \(\frac{2}{3}\)dai , cao bang 15m .
Tinh dien tich bia can lam hop biet phan mep dan kg dang ke .
3 , 1 hinh lap phuong co dien tich xung quanh la 196m . Tinh dien tich toan phan va the tich cua hinh do
4, 1can phong hinh hop chu nhat co dai = 10m , rong = \(\frac{3}{5}\)dai , cao = \(\frac{2}{3}\)rong . Nguoi do lan son phia trong tuong va trn nha . Tiònh dien tich can lan , biet dien tich cua ra vao va cua so la 12,8m
Gai Han Ra Nhe Cac Ban !