Answer
No conclusions about lines being parallel can be made with the given information.
Work Step by Step
$\angle 11$ and $\angle 7$ are not formed by the same transversal, so the theorems and postulates do not apply.
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 3 - Parallel and Perpendicular Lines - 3-3 Proving Lines Parallel - Practice and Problem-Solving Exercises - Page 161: 25
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