#### 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 $12\ in=1\ ft$, $144\ in^2=1\ ft^2$.

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

a) $144\ in^2$; $1\ ft^2$
b) 144

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