Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Review Exercises - Page 75: 26



Work Step by Step

m$\angle$FMH+m$\angle$4=180$^{\circ}$ 4x+1+x+4=180 5x=175 x=35$^{\circ}$ m$\angle$4=x+4 m$\angle$=39$^{\circ}$
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