Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-8 Perimeter, Circumference, and Area - Practice and Problem-Solving Exercises - Page 65: 32


$80\ in^2$

Work Step by Step

The figure is a large rectangle with a 4 inch unshaded square in the center. Find the area of the large rectangle and subtract the area of the unshaded square to find the shaded area. $A_1=bh=12\times8=96$ $A_2=s^2=4^2=16$ $A=A_1-A_2=96-16=80$
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