#### Answer

DC=2$\sqrt 3$
DB=4$\sqrt 3$

#### Work Step by Step

2AC=AB
AC=6
CB=AC$\sqrt 3$
CB=6$\sqrt 3$
CD$\sqrt 3$=AC
CD=$\frac{6\sqrt 3}{3}$
CD=2$\sqrt 3$
DB=CB-CD
DB=6$\sqrt 3$-2$\sqrt 3$
DB=4$\sqrt 3$

Published by
Brooks Cole

ISBN 10:

ISBN 13:

DC=2$\sqrt 3$
DB=4$\sqrt 3$

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