Question

Giúp mình gấp nha

Answer 1

B

Answer 2

B

Answer 3

B nha!!!Cho xin 1 tick

 

Answer 4

B

Answer 5

\(\widehat{B_3}=\widehat{B_1}=75^o\)

Vì a//b\(\Rightarrow\) \(\widehat{A_3}=\widehat{B_3}=75^o\) (hai góc đồng vị)

Chọn B.

Answer 6

B