Answer
234 $units^{2}$
Work Step by Step
We use the formula for the area of a trapezoid to obtain:
A=$\frac{1}{2}$h($b_{1}$+$b_{2}$)
A=$\frac{1}{2}$(12)(15+24)
A=$\frac{1}{2}$(12)(39)
A=234
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 11 - Surface Area and Volume - Get Ready! - Page 685: 9
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