Answer
135 $in^{2}$
Work Step by Step
The formula for the area of a trapezoid is A=$\frac{1}{2}$h($b_{1}$+$b_{2}$)
A=$\frac{1}{2}$h($b_{1}$+$b_{2}$)
A=$\frac{1}{2}$9(12+18)
A=$\frac{1}{2}$(9)(30)
A=135
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 10 - Area - Mid-Chapter Quiz - Page 642: 9
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