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 (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 8 - Section 8.2 - Perimeter and Area of Polygons - Exercises - Page 362: 55
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