Elementary Geometry for College Students (5th Edition)

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

Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises: 26

Answer

$\angle$x=39$^{\circ}$ and $\angle$y=51$^{\circ}$

Work Step by Step

y=x+12 x+y=90 x+(x+12)=90 2x=78 x=39 y=(39)+12 y=51
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