#### Answer

27 $units^{2}$

#### Work Step by Step

Count the units between A and D to find the base.
Count the units from the base, AD, to point F to find the height.
A=bh
A=9(3)
A=27

Published by
Prentice Hall

ISBN 10:
0133281159

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

27 $units^{2}$

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