Answer
$70.4$
Work Step by Step
Two angles are complementary if the sum of their measures is 90°. The complement of a $19.6°$ angle is an angle whose measure is $90°-19.6° = 70.4° $ To check, notice that $19.6° + 70.4°= 90°$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix F - Exercise Set - Page 1012: 6
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