Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix F - Exercise Set: 13

Answer

1 = 110° 2 =70° 3=70° 4=70° 5=110° 6=70° 7=110°

Work Step by Step

angle 1,5, 7 and the one with 110° and angle 2,3,4 and 6 have the same measure because of the parallel lines m and n. 180°-110°=70°
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