Yana is using an indirect method to prove that segment DE is not parallel to segment BC in the triangle ABC shown below:

Question

anonymous · Answer

attachment

anonymous · Answer

She starts with the assumption that segment DE is parallel to segment BC.

Which inequality will she use to contradict the assumption?

 4:9 ≠ 6:13
 4:9 ≠ 6:7
 4:13 ≠ 6:9
 4:5 ≠ 6:13

anonymous · Answer

FINALLY

marihelenh · Answer

It would have to be A I believe.

marihelenh · Answer

Finally what?

anonymous · Answer

nothing i was just waiting for someone to help while trying the question on my own WHICH LED TO EXTREME FRUSTRATIONAS TO WHY I COULD NOT GET MYSELF A CLEAR ANSWER FOR 40 MINUTES nothing much though :)))

marihelenh · Answer

Oh my goodness, I completely understand the frustrations part. It just won't work out in your head and you need someone else's opinion or help and then there's no one to help you and you become even more upset.