Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 3 - Parallel and Perpendicular Lines - 3-2 Properties of Parallel Lines - Practice and Problem-Solving Exercises - Page 153: 10


a) same-side interior angles theorem b) same-side interior angles theorem c) congruent supplements theorem

Work Step by Step

a) $\angle 3$ and $\angle2$ are same-side interior angles b)$\angle 1$ and $\angle2$ same-side interior angles c) Since $\angle 1$ and $\angle3$ have the same supplement, they are congruent.
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