Geometry: Common Core (15th Edition)

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


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
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