Question

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

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

Answer 1

AD:AB = AE:AC