Answer
110 feet
Work Step by Step
We are given that $A=\frac{1}{2}bh$. We can insert the given values for b and h to solve for A.
$A=\frac{1}{2}(20)(11)=\frac{1\times20\times11}{2}=\frac{220}{2}=110$ feet
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - Test - Page 701: 21
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