Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 2 - Review Exercises - Page 117: 2



Work Step by Step

Angles 13 and 15 are corresponding angles so they are congruent. m$\angle$13=m$\angle$15=70$^{\circ}$ Angles 15 and 3 are same side exterior angles so they are supplementary. m$\angle$15+m$\angle$3=180 70+m$\angle$3=180 m$\angle$3=110$^{\circ}$
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