Question

Which lines are parallel? Why?

Answer 1

c || d by Same-Side Interior Angles Theorem
c || d by Corresponding Angles Postulate
c || d by Converse of Corresponding Angles Postulate
a || b by Same-Side Interior Angles Theorem
a || b by Converse of Corresponding Angles Postulate
a || b by Corresponding Angles Postulate
a || b by Converse of Same-Side Interior Angles Theorem
c || d by Converse of Same-Side Interior Angles Theorem

Answer 2

@iGreen

Answer 3

@AnswerMyQuestions

Answer 4

Parallel lines are lines that do not meet. So which lines do you think don't touch each other at all?

Answer 5

both a b and C D dont thouch..

Answer 6

Yep! You got it.

Answer 7

Now you just need to find out how they are parallel..

Answer 8

okay...

Answer 9

how do i do that?

Answer 10

Hold on, so many people are tagging me.

Answer 11

ok

Answer 12

Same-Side Interior Angles Theorem:

http://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/03f254cc-226b-4fc0-b78d-950be9ee8c3b.gif

Answer 13

One of the angles is 100, the other is 80..

Answer 14

so its same side then?

Answer 15

Yeah, I think it might be that for both of them..but I'm not good with angles so I'm not 100% sure.

Answer 16

okay