Answer
a) $144\ in^2$; $1\ ft^2$
b) 144
Work Step by Step
Use the formula for the area of a square.
$A=s^2=(12\ in)^2=144\ in^2$
$A=s^2=(1\ ft)^2=1\ ft^2$
Since $12\ in=1\ ft$, $144\ in^2=1\ ft^2$.
Geometry: Common Core (15th Edition)
by Charles, Randall I.
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: 39
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