Answer and Explanation
Your Answer is
Correct Answer is G
Explanation
If ∠1=∠7, the two lines are not necessarily parallel. Choose G.
14. In the plane shown in the figure below, lines m and n are cut by transversal line t. The 8 angles at the intersections of these lines are labeled. Which of the following statements, when it is true, CANNOT always be used to prove that lines m and n are parallel?
