Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 2 - Section 2.1 - The Parallel Postulate and Special Angles - Exercises - Page 79: 13b

Answer

m$\angle$4=112$^{\circ}$

Work Step by Step

Angles 1 and 4 are vertical angles so they are congruent. m$\angle$4=m$\angle$1 m$\angle$4=112$^{\circ}$
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