Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.3 - Modeling with Linear Equations - 1.3 Exercises - Page 99: 64


$b = \frac{2A}{h}-a$

Work Step by Step

Area of a trapezoid (A) = $\frac{(a+b)h}{2}$ 2A = (a+b)h 2A/h = a+ b $b = \frac{2A}{h}-a$
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