Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 7 - Section 7.1 - Locus of Points - Exercises - Page 317: 20

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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