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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Thursday, November 8, 2012 at 8:04am.

- college -
**drwls**, Thursday, November 8, 2012 at 8:14amLet A be one of the two equal angles, abd B be the apex angle.

2A + B = 180

A - B = 82.5

3A = 262.5

A = 87.5

B = 5 degrees is the "third angle"

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