## Geometry: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 3 - Parallel and Perpendicular Lines - 3-1 Lines and Angles - Lesson Check - Page 143: 10

#### Answer

Carly is correct.

#### Work Step by Step

$\overline{AB}$ and $\overline{HG}$ both lie on the plane that is diagonal through the cube. Since the lines do not intersect and are coplanar, they are parallel.

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