Answer
A=15 in$^{2}$
Work Step by Step
$a=7$ in
$c=3$ in
$h=3$ in
$A=\frac{1}{2}(a+c)\times h=\frac{1}{2}(7+3)\times3=\frac{1}{2}(10)\times3=5\times3=15$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - 1.1 Apply Properties of Real Numbers - 1.1 Exercises - Mixed Review - Page 9: 80
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