nguoi ta xep cac hinh lap phuong canh 1cm thanh 1 hinh lap phuong lon co dien tich toan phan la 600cm2. Sau do nguoi ta son tat ca cac mat cua khoi lon do. Hoi
a/ Co bao nhieu hinh lap phuong nho da dung de xep thanh hinh lap phuong lon?
b/ co bao nhieu hinh lap phuong nho chi duoc son dung 1 mat?
Mot thung chua hang co dang hinh hop chu nhat chieu dai 234cm , chieu rong 216cm , chieu cao 144cm . Nguoi ta muon xep cac hop nho dang hinh lap phuong vao trong thung chua hang do sao cho cac hop xep khit theo ca chieu dai, chieu rong , chieu cao cua thung . Canh cac hinh lap phuong co do dai lon nhat la bao nhieu ? ( so do cac canh hinh lap phuong la mot so tu nhien voi don vi la cm)
hoi phai dung bao nhieu hinh lap phuong nho canh 1cm de xep thanh hinh hop chu nhat co chieu dai 1,6dm,rong 1,4dm,cao 9cm
ta xep 2197 khoi hlp nho canh 1cm thanh 1 khoi hinh lap phuong moi lon hon. hoi hnh lap phuong lon dai bao nhieu cm
mot thung chua hang co dang hinh hop chu nhat chieu dai 320cm chieu rong 192cm chieu cao 224cm nguoi ta muon xep cac hop co dang hinh lap phuong vao trong thung chua hang sao cho cac hop xep khit nhau theo ca chieu dai va chieu rong va chieu cao cua thung canh cac hpop hinh lap phuong do co do dai lon nhat la bao nhieu?(sodo cac canh cua h inh lap phuong la 1so tu nhien voi don vi lacm
giup minh voi mai co tiet hoc roi
xep 2197 khoi lap phuong be co canh 1 cm xep thanh 1 hinh lap phuong lon hoi canh cua no la bao nhieu
ti so the tich giua hinh lap phuong be va the tich hinh lap phuong lon la 8:27. vay ti so phan tram giua canh hinh lap phuong be labao nhieu
Mot hinh lap phuong co canh la 7cm. vay the tich cua hinh lap phuong la:
1hinh lap phuong duoc to den het cac mat. Nguoi ta chia hinh lap phuong nay thanh 125 hinh lap phuong nho bang nhau. Hoi co bao nhieu hinh lap phuong no duoc to den dung hai mat?