Elementary Geometry for College Students (7th Edition) Clone

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

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: $8 - x = x + 4 \\ 2x =4 \\ x = 2$
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