Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 9 Quadratic Relations and Conic Sections - 9.3 Graph and Write Equations of Circles - 9.3 Exercises - Problem Solving - Page 630: 62

Answer

Yes.

Work Step by Step

The standard form of the equation of a circle with a center in the origin and radius $r$ is: $x^2+y^2=r^2$. (Consider the tower as the origin) Plugging in the values we get: $x^2+y^2=9^2+11^2=81+121=202\lt225=15^2=r^2$. Thus we are within the region.
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