Answer
6
Work Step by Step
We first solve the equation for h:
$$2A = (b_1+b_2)h \\ h = \frac{ 2A}{b_1+b_2}$$
Plugging in the known values:
$$h = \frac{ 2(75)}{10+15 }=6$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.4 Rewrite Formulas and Equations - 1.4 Exercises - Skill Practice - Page 30: 5
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