Elementary Geometry for College Students (7th Edition) Clone

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

Chapter 1 - Section 1.2 - Angles and Their Relationships - Exercises - Page 48: 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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