Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 146: 26

Answer

m$\angle$5=90+x

Work Step by Step

m$\angle$3=m$\angle$2=2x m$\angle$1+m$\angle$2+m$\angle$3=180 m$\angle$1=180-4x .5m$\angle$1+.5m$\angle$3+m$\angle$5=180 90-2x+x+m$\angle$5=180 m$\angle$5=90+x
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