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January 28, 2015

January 28, 2015

Posted by **Bob** on Monday, April 29, 2013 at 11:26am.

- Math (Geometry) -
**Reiny**, Monday, April 29, 2013 at 12:49pmfrom the information,

BC = 30

so AB^2 + 30^2 = 34^2

AB = 16

Then in triangle ABC

AD^2 = 16^2 + 12^2 = 400

AD = √400 = 20

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