#### Answer

false

#### Work Step by Step

Complementary angles total $90^o$.
$100^o+80^o\ne90^o$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

false

Complementary angles total $90^o$.
$100^o+80^o\ne90^o$

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