Answer
$ 25 = x^2 +y^2$
Work Step by Step
We solve for $r^2 $ using the values of x and y:
$ r^2 = x^2 +y^2$
$ r^2 = 3^2 +4^2$
$ r^2 = 25$
Thus:
$25 = x^2 +y^2$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 10 - Section 10.4 - Analytic Proofs - Exercises - Page 480: 26
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