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December 20, 2014

December 20, 2014

Posted by **Am** on Friday, August 3, 2012 at 8:07pm.

- geometry - eh? -
**Steve**, Saturday, August 4, 2012 at 4:51amwhat is AB? the angle subtending the arc AB? If so, then it is also angle ACB, so

4x+12 = x+13

x = 1/3

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