Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 9 - Section 9.3 - Area, Volume, and Surface Area - Exercise Set: 14

Answer

Area = 22.5 square ft

Work Step by Step

The area of the trapezoid is equal to $\frac{1}{2}$ $\times$ (b + B) $\times$ h Area = $\frac{1}{2}$ $\times$ (5 ft + 10 ft) $\times$ 3 ft Area = $\frac{1}{2}$ $\times$ (15 ft) $\times$ 3 ft Area = 22.5 square ft
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