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 fra...
Đọc tiếp
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 !
