Answer
$h=\frac{A-2lw}{2l+2w}$
Formula gives surface area (A) of a rectangular prism
Work Step by Step
$A = 2lw + 2lh + 2wh $
$A-2lw=2lh + 2wh $
$A-2lw=h(2l+2w)$
$h=\frac{A-2lw}{2l+2w}$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.7 - Equations - Exercise Set - Page 106: 38
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