Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 1 - Review Exercises - Page 63: 29

Answer

m$\angle$1=28$^{\circ}$ m$\angle$2=152$^{\circ}$

Work Step by Step

m$\angle$1=x m$\angle$2=4x+40 m$\angle$1+m$\angle$2=180 x+4x+40=180 5x=140 x=28 m$\angle$1=x=28$^{\circ}$ m$\angle$2=4(28)+40=152$^{\circ}$
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