Answer
$800\ cm^2$
Work Step by Step
To find the area, first convert to the same unit of measure.
$4m*\frac{100cm}{1m}=400cm$
use the formula for the area of a rectangle
$A=bh=400\times2=800$
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 - Chapter Test - Page 75: 15
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