#### Answer

$17\frac{1}{2}\ ft^2$

#### Work Step by Step

The area of a triangle is 1\2 base times height.
$A=\frac{1}{2}(7ft)(5ft)=\frac{35}{2}ft^2=17\frac{1}{2}ft^2$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$17\frac{1}{2}\ ft^2$

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