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: 11


a) Adjacent pairs are: 1&2 2&4 4&3 3&1 5&6 6&8 8&7 7&5 b) Vertical angle pairs are: 1&4 2&3 5&8 6&7

Work Step by Step

a) Adjacent angles have the same vertex and share a side that is between the two angles. b) Vertical angles are opposite each other when 2 lines intersect.
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