Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 6 - Polygons and Quadrilaterals - 6-3 Proving That a Quadrilateral Is a Parallelogram - Practice and Problem-Solving Exercises - Page 374: 39


$RE = 3.5$

Work Step by Step

In a parallelogram, diagonals bisect one another. If diagonal $\overline{AE}$ is bisected by diagonal $\overline{CP}$, then the bisected segments $\overline{AR}$ and $\overline{RE}$ are equal to one another. So if $AR = 3.5$, then $RE$ also equals $3.5$.
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