Answer
Circle of radius 4 centered at the origin.
Work Step by Step
The circle is centered at the origin. We know that the radius is equal to:
$$ r=\sqrt{16} \\ r=4$$
Thus, we know this shape is a circle of radius 4 centered at the origin.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 10 - Section 10.4 - Analytic Proofs - Exercises - Page 473: 29
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