Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 7 - Section 7.1 - Locus of Points - Exercises: 22

Answer

The locus is the red point in the middle of the intersection of the two circles.

Work Step by Step

We are looking for a point that is 1 inch away from both circles. Thus, we first draw the intersecting circles. Next, using a ruler instead of mathematical computations (since the book does not ask for these), we obtain that the required point is the point in the middle of the intersection of the two circles.
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