Answer
8 ft
Work Step by Step
A=$\frac{1}{2}$bh
20=$\frac{1}{2}$(5)h
20(2)=5h
40=5h
$\frac{40}{5}$=h
8=h
h=8 ft
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Section 2.6 - Problem Solving in Geometry - Exercise Set - Page 177: 9
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