Answer
$\angle BAC\ and\ \angle EAF$ are complementary.
$\angle CAD\ and\ \angle DAE$ are complementary.
Work Step by Step
$63^o+27^o=90^o$
$20^o+70^o=90^o$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 9 - Section 9.1 - Lines and Angles - Exercise Set - Page 610: 30
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