Algebra 2 (1st Edition)

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 - Guided Practice for Example 2 - Page 27: 6


See below.

Work Step by Step

$A=0.5bh\\b=\frac{2A}{h}$ Thus plugging in $A=9,h=3$: $b=\frac{2(9)}{3}=6$
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