#### Answer

$90$

#### Work Step by Step

Solve for l.
$2l+2\times57=294$
$l=90$

Published by
Pearson

ISBN 10:
0321671791

ISBN 13:
978-0-32167-179-0

$90$

Solve for l.
$2l+2\times57=294$
$l=90$

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