mot hinh lap phuong co canh 10 cm.mot hinh hop chu nhat co the tich bang hinh lap phuong do va co chieu dai 12,5 dm, chieu rong 8 dm. tinh dien tich toan phan cua hing hop chu nhat
Mot hinh lap phuong co canh 1.5dm.Tinh dien tich mot mat,dien tich toan phan va the tich cua hinh lap phuong do.
TINH DIEN TICH XUNG QUANH VA DIEN TICH TOAN PHAN CUA HING LAP PHUONG CO CANH 6dm .NEU TANG DO DAI CANH CUA HINH LAP PHUONG LEN 2 LAN THI DIEN TICH TOAN PHAN CUA HINH LAP PHUONG DO TANG THEM ? LAN
mot hinh lap phuong co tong dien tich xung va dien tich toan phan la 250 cm2 .tinh cien tich cua hinh lap phuong , tinh the tich cua hinh lap phuong
mot hinh lap phuong co dien tich toan phan la 384dm2
a, tinh canh cua hinh lap phuong do.
b, tinh dien tich xung quanh cua hinh lap phuong do.
mot hinh lap phuong co canh 1,5 dm. vay dien tich toan phan cua hinh lap phuong do la:
mot hinh lap phuong va mot hinh chu nhat hinh hop chu nhat co the tich bang nhau va canh hinh lap phuong bang chieu cao hinh hop chu nhat. chu vi day hinh hop chu nhat la 26 dm, chieu rong kem chieu dai 5 cm. tinh the tich hinh lap phuong va dien tich toan phan cua hinh hop chu nhat.
mot hinh lap phuong va mot hinh chu nhat hinh hop chu nhat co the tich bang nhau va canh hinh lap phuong bang chieu cao hinh hop chu nhat. chu vi day hinh hop chu nhat la 26 dm, chieu rong kem chieu dai 5 cm. tinh the tich hinh lap phuong va dien tich toan phan cua hinh hop chu nhat.
Mot hinh lap phuong co dien tich xung quanh la 256cm2.Tinh S toan phan va the tich cua hinh lap phuong do
