Question

Stephanie’s teacher gave her the following figure and asked her to provide a statement that would guarantee lines a and b are parallel.



Which statement should Stephanie use to prove that lines a and b are parallel?
Answer
∠2 = 60°
∠4 = 60°
∠5 = 120°
∠3 = 120°

Answer 1

Hint: which angle tells you about the 2nd line?

Answer 2

angle 6?

Answer 3

Yes, but it's not the only one.

Answer 4

oh and 5,8 and 7 aswell

Answer 5

There you go, that's all you need.

Answer 6

so it is C?

Answer 7

Yes