#### Answer

$$r=\sqrt5$$

#### Work Step by Step

We see that this is a circle of radius $\sqrt5$. Thus, the equation becomes:
$$r=\sqrt{5}$$

Published by
Wiley

ISBN 10:
1118583191

ISBN 13:
978-1-11858-319-7

$$r=\sqrt5$$

We see that this is a circle of radius $\sqrt5$. Thus, the equation becomes:
$$r=\sqrt{5}$$

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