Các câu hỏi tương tự
xep mot khoi lap phuong nho canh 1cm thanh mot khoi dang hinh hop chu nhat lon co chieu dai 6cm ; chieu rong 4cm va chieu cao 3cm.
a)Tinh the tich hinh hop chu nhat xep duoc.
b)Tinh so khoi lap phuong nho dung de xep
go hinh hop chu nhat co chieu dai bang 8dm chieu rong bang 3dm chieu cao bang 2dm o giua mot matt cua khoi go nguoi ta khoet mot lo nho hinh lap phuong canh 1cm tinh dien tich toan phan cua khoi go sau khi khoet
Mot khoi go hinh hop chu nhat co dien tich toan phan bang dien tich toan phan cua hinh lap phuong co canh la6dm.chieu dai khoi go la12dm,chieu rong la6dm.tinh chiêu cao cua khoi go do
Mot khoi go hinh hop chu nhat co dien tich toan phan = dien tich hinh lap phuong co canh 6dm. Biet khuc go co chieu dai 12dm chieu rong 6dm .Tinh chieu cao khuc go
Nguoi ta xep 960 khoi hinh lap phuong nho canh 1 cm thanh mot khoi hop chu nhat dai 12 cm; rong 10 cm.Sau do nguoi ta dem son 6 mat ngoai cua khoi hop vua xep duoc.Hoi co bao nhieu khoi hinh lap phuong nho duoc son 1 mat ?
xep cac khoi lap phuong nho cach 1 cm thanh mot khoi dang hinh hop chu nhat lon co chieu dài 6cm chieu rong 4cm va chieu cao 3 cm
a] tinh the tich hinh hop chu nhat xep duoc
b] tinh so khoi lap phuong nho cung de xep
Nguoi ta xep 960 khoi lap phuong nho canh 1 cm thanh mot khoi hop chu nhat dai 12 cm; rong 10 cm.Sau do nguoi ta dem son 6 mat ngoai cua khoi hop vua xep duoc.Hoi co bao nhieu khoi hinh lap phuong nho khong son mat nao ?
thung bia cung danh hinh hop chu nhat co chieu dai 8cn,chieu rong 5cm,chieu cao 6cm.Nguoi ta dat mot khoi go hinh lap phuong vao trong hop do.Ti le the tich giua hinh lap phuong va hinh hop chu nhat la 1:10.Tinh:
a/ The tich thung bia hinh hop chu nhat
b/ The tich khoi go lap phuong
giup minh nha minh can loi giai gap.
Nguoi ta xep cac hinh lap phuong nho co canh 1cm thanh mot hinh hop chu nhat co chieu dai 15cm,chieu rong 10cm,chieu cao 7cm.Sau do nguoi ta son ca sau mat cua hinh.Hoi co bao nhieu hinh lap phuong nho khong son mat nao