hinh lap phuong a co canh dai gap doi canh cua hinh lap phung b. Tim ti so phan tram giua dien tich toan phan cua hinh lap phuong b so voi dien tich toan phan cua hinh lap phuong a
Dien tich toan phan cua hinh lap phuong thu nhat la 54 cm2 , dien tich toan phan cua hinh lap phuong thu hai la 216 cm2 . Hoi canh cua hinh lap phuong thu hai dai gap may lan canh cua hinh lap phuong thu nhat . Ai tra loi ca bai giai nhanh nhat trong hom nay minh TICK cho ban nhe ! Nho tra loi that nhanh chi minh nha
1 hinh lap phuong co canh la 4 tim S toan phan
1 hinh lap phuong co canh la 7 cm neu canh cua hinh lap phuong tang len 4 lan hoi S toan phan tang len bn lan the tich tang bn lan
mot hinh lap phuong co S toan phan la 216 dm2 .Mot hinh hop chu nhat co chieu cao bang canh cua hinh lap phuong , chieu rong kem canh cua hinh lap phuong 1,2 dm , chieu dai gap ruoi chieu rong .Tinh dien tich xung quanh hinh hop chu nhat
dien tich toan phan cua hinh lap phuong thu nhat la 54cm dien tich toan phan cua hinh lap phuong thu hai la 216cm. Hoi canh cua hinh lap phuong thu hai dai gap may lan canh cua hinh lap phuong thu nhat
mot hinh lap phuong co canh 1,5 dm. vay dien tich toan phan cua hinh lap phuong do la:
A) Mot hinh lap Phuong co canh 4 cm. Neu canh hinh lap Phuong do tang gap 2 lan thi dien tich toan Phan cua no gap len may lan
B) Mot hinh lap Phuong co tong dien tich xung quanh .ca dien tich toan phan la 640 cm v uong. Vay canh cua hinh lap Phuong do la bao nhieu
1 hinh lap phuong co canh la 2.tim s toan phan
ai kb mink tk
