#### Answer

$ 315$

#### Work Step by Step

In order to convert angle in radians to degrees, multiply the angle by $\frac{180}{\pi}$
Therefore:
$x = \frac{7\pi}{4} \times \frac{180}{\pi} = 315$

Published by
Pearson

ISBN 10:
013421742X

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

$ 315$

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