Question

Answer 1

Bài 2: 

DC=BM

CE=MF

DE=BF

\(\widehat{D}=\widehat{B}\)

\(\widehat{C}=\widehat{M}\)

\(\widehat{E}=\widehat{F}\)

Answer 2

DE= BF

CE=MF

DC= BM

Góc : DCE = BMF
CDE= MBF

CED=MFB

Answer 3

chỉ tui bài 3 nữa 

 

Answer 4

Bài 2: 

DC=BM

CE=MF

DE=BF

ˆD=ˆBD^=B^

ˆC=ˆMC^=M^

ˆE=ˆF