#### Answer

$a\approx6.9$ in.
$b\approx9.8$ in.

#### Work Step by Step

$\sin35^{\circ}=\frac{a}{12}$
$a=12\times\sin35^{\circ}$
$a\approx6.9$
Using Pythagorean Theorem to find $b$.
$b=\sqrt {12^{2}-a^{2}}$
$b\approx\sqrt{12^{2}-6.9^{2}}$
$b\approx9.8$

Published by
Brooks Cole

ISBN 10:
1439047901

ISBN 13:
978-1-43904-790-3

$a\approx6.9$ in.
$b\approx9.8$ in.

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