Question

Cho hinh vuong MNPQ co canh la  12 cm . E la trung diem cua MN , H la trung diem cua NP 

A) Tinh dien tich tam giac MEQ

B) Tinh dien tich hinh thang HPQM

C) So sanh dien tich tam giac MHE voi dien tich hinh chu nhat MNPQ

Answer 1

Mot xuong san xuat co 200 nguoi chia lam 3 to  . So nguoi o to 1 va to 2 gap 3 lan so nguoi o to 3 . Neu to 1 bot di 10 nguoi thi so nguoi o to 1 bang so nguoi o to 2 . Hoi moi to co bao nhieu nguoi

Answer 2

Cho tam giac ABC vuong o A . Canh AB la 60 cm canhAC la 80 cm canh BC la 100 cm . Biet MN song song voi BC , NH la 12 cm

A) Tinh s tam giacABC va S tam giac BNC 

B) Tính S tam giac ABN va do dai AN 

C) Tính S tam giac AMN