#### Answer

$2\pi$; $\pi$

#### Work Step by Step

RECALL:
$\pi$ radians = $360^o$
Thus,
$360^o = 2\pi$
$180^o=\pi$
Therefore, the missing expressions in the given statement are (n order):
$2\pi$; $\pi$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$2\pi$; $\pi$

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