Chứng minh tam giác ABD = tam giác ACE
Cho tam giac ABC can tai A (goc A<90 do). Ke BD vuong goc voi AC (D thuoc AC),CE vuong goc AB(E thuoc AB). BD cat CE tai H
a, CM tam giac ABD=tam giac ACE
a, CM tam giac ABD=tam giac ACE
b, CM tam giac AHC can
c, CM ED song song voi BC
d, AH cat BC tai K . Tren tia HK lay M sao cho K la trung diem HM. CM tam giac ACM vuong
HELP ME MIK DG CAN GAP
c, CM ED song song voi BC
d, AH cat BC tai K . Tren tia HK lay M sao cho K la trung diem HM. CM tam giac ACM vuong
HELP ME MIK DG CAN GAP