#### Answer

$AB=12$

#### Work Step by Step

Since $OC$, $OA$, and $OB$ are all radii, they are all congruent. So...
$OC=OA=OB=6$
$OA+OB=AB$, therefore
$AB=12$

Published by
Brooks Cole

ISBN 10:
1439047901

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

$AB=12$

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