Question

Can someone help?
pg 153 #10~20
http://cdn.virtuallearningcourses.com/ivtcontent/images/3-2%20Properties%20of%20Parallel%20Lines.pdf

Answer 1

ignoring that the visuals are mildly disturbing, let's look at #10
this is a 2-column proof so basically we make statements and provide reasons for them, one at a time
first, what is the relationship between <1 and <2?

Answer 2

I can help with 12, 13 and 14 but idk about the others

Answer 3

They correspond?

Answer 4

yes parallel line thrm

Answer 5

which question do you need help with