Answer
2
Work Step by Step
We write everything we know that involves x, which is the length of VW:
$RW + x = 8 \\ RW = 8-x$
Thus, we add to get the area of the whole square:
$8 - x = x + 4 \\ 2x =4 \\ x = 2$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 8 - Section 8.2 - Perimeter and Area of Polygons - Exercises - Page 372: 55
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