Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 12 - Section 12.1 - Angles and Polygons - Exercise: 18

Answer

$\angle1\ is112^o$ $\angle2\ is\ 68^o$ $\angle3\ is\ 68^o$ $\angle4\ is\ 112^o$ $\angle5\ is\ 112^o$ $\angle6\ is\ 68^o$

Work Step by Step

$\angle1\ is\ supplementary\ to\ \angle2 ; 180-68=112$ $\angle2\ is\ 68^o\ because\ it\ is\ a\ corresponding\ angle\ to\ \angle3$ $\angle3\ is\ 68^o$ $\angle4\ is\ supplementary\ to\ \angle3 ; 180-68=112$ $\angle5\ is\ supplementary\ to\ \angle6 ; 180-68=112$ $\angle6\ is\ 68^o$
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