Elementary Geometry for College Students (6th Edition)

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

Chapter 4 - Review Exercises - Page 206: 26


1. Opposite sides of rectangles are congruent, so AF is congruent to CD. 2. Angles of rectangles are all 90 degrees, so F is congruent to E, for ABEF and BCDE are both rectangles. 3. It is given that FE and ED are congruent. 4. Thus, by SAS, AFE and BED are congruent. 5. CPCTC, so AE and BD are congruent. 6. CPCTC, so AE and BD are at the same angle, meaning that they are also parallel.
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