#### Answer

10 ft

#### Work Step by Step

A=$\frac{1}{2}$bh
80=$\frac{1}{2}$(16)h
80=8h
$\frac{80}{8}$=h
10=h
h=10 ft

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

10 ft

A=$\frac{1}{2}$bh
80=$\frac{1}{2}$(16)h
80=8h
$\frac{80}{8}$=h
10=h
h=10 ft

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