Elementary Geometry for College Students (6th Edition)

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

Chapter 10 - Test - Page 487: 13


D (0,0) E (2a, 0) F (a, b)

Work Step by Step

D is the origin, so the coordinates are (0, 0) E is on the x-axis, therefore the coordinates are (2a, 0) F is on the perpendicular bisector of DE so its x coordinate is a, but we don't know the height of the triangle, so we need another variable: F (a, b).
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