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December 21, 2014

December 21, 2014

Posted by **Eric** on Saturday, May 28, 2011 at 12:30am.

- Math -
**Mgraph**, Saturday, May 28, 2011 at 6:20amC is the right angle => triangles ADC and CDB are similar.

AD/AC=CD/BC =>(AD*BC/CD)=AC

- Math -
**Eric**, Saturday, May 28, 2011 at 2:16pmif I follow your work then

AC is 15 -3

Final answer 12

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